Finding the Fourth Proportional to 39,788,540.10, 59,691,711.58 and 12,124,622.68
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Solution
The fourth proportional to 39,788,540.10, 59,691,711.58 and 12,124,622.68 is: 18,189,646.52
Step by Step Solution
- Step 1: Write the proportion equation
39,788,540.10 : 59,691,711.58 = 12,124,622.68 : x - Step 2: Convert to fraction form
39,788,540.10/59,691,711.58 = 12,124,622.68/x - Step 3: Cross multiply
39,788,540.10x = 59,691,711.58 × 12,124,622.68 - Step 4: Simplify right side
39,788,540.10x = 723,739,479,851,345.88 - Step 5: Solve for x
x = 723,739,479,851,345.88/39,788,540.10 - Step 6: Final answer
x = 18,189,646.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.