Finding the Fourth Proportional to 10,488,430.21, 15,733,567.96 and 3,203,534.58
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Solution
The fourth proportional to 10,488,430.21, 15,733,567.96 and 3,203,534.58 is: 4,805,583.67
Step by Step Solution
- Step 1: Write the proportion equation
10,488,430.21 : 15,733,567.96 = 3,203,534.58 : x - Step 2: Convert to fraction form
10,488,430.21/15,733,567.96 = 3,203,534.58/x - Step 3: Cross multiply
10,488,430.21x = 15,733,567.96 × 3,203,534.58 - Step 4: Simplify right side
10,488,430.21x = 50,403,028,977,650.22 - Step 5: Solve for x
x = 50,403,028,977,650.22/10,488,430.21 - Step 6: Final answer
x = 4,805,583.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.