Finding the Fourth Proportional to 39,721,231.05, 59,580,745.17 and 10,575,320.10
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Solution
The fourth proportional to 39,721,231.05, 59,580,745.17 and 10,575,320.10 is: 15,862,686.91
Step by Step Solution
- Step 1: Write the proportion equation
39,721,231.05 : 59,580,745.17 = 10,575,320.10 : x - Step 2: Convert to fraction form
39,721,231.05/59,580,745.17 = 10,575,320.10/x - Step 3: Cross multiply
39,721,231.05x = 59,580,745.17 × 10,575,320.10 - Step 4: Simplify right side
39,721,231.05x = 630,085,451,688,922.62 - Step 5: Solve for x
x = 630,085,451,688,922.62/39,721,231.05 - Step 6: Final answer
x = 15,862,686.91
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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.