param N := 5;

var x{1..N};
param A{1..N};
param B{1..N};
param C{1..N};
param D{1..N};

minimize f:
-x[1]*A[1] - x[1]*(sum {i in 1..5} A[i]*x[i]) + 24345;

subject to cons1:
x[1]*(B[1]+sum {i in 2..5} B[i]*x[i]) >= 0;

subject to cons2:
x[1]*(C[1]+sum {i in 2..5} C[i]*x[i]) >= 0;

subject to cons3:
x[1]*(D[1]+sum {i in 2..5} D[i]*x[i]) >= 0;

subject to cons4:
-1*x[1]*(B[1]+sum {i in 2..5} B[i]*x[i]) + 294000 >= 0;

subject to cons5:
-1*x[1]*(C[1]+sum {i in 2..5} C[i]*x[i]) + 294000 >= 0;

subject to cons6:
-1*x[1]*(D[1]+sum {i in 2..5} D[i]*x[i]) + 2772000 >= 0;

subject to cons7:
0 <= x[1];

subject to cons8:
1.2 <= x[2] <= 2.4;

subject to cons9:
20 <= x[3] <= 60;

subject to cons10:
9 <= x[4] <= 9.3;

subject to cons11:
x[5] <= 7;

data;
var x:=
1	2.52
2	2
3	37.5
4	9.25
5	6.8;

param:
	A				B		C			D:=
1	-8720288.849		-145421.402	-155011.1084		-326669.5104
2	150512.5253		2931.1506	4360.53352		7390.68412
3	-156.6950325		-40.427932	12.9492344		-27.8986976
4	476470.3222		5106.192	10236.884		16643.076
5	729482.8271		15711.36	13176.786		30988.146;


solve;

display x;