Finding the Fourth Proportional to 38,497,618.82, 57,753,711.35 and 15,470,345.90
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Solution
The fourth proportional to 38,497,618.82, 57,753,711.35 and 15,470,345.90 is: 23,208,445.58
Step by Step Solution
- Step 1: Write the proportion equation
38,497,618.82 : 57,753,711.35 = 15,470,345.90 : x - Step 2: Convert to fraction form
38,497,618.82/57,753,711.35 = 15,470,345.90/x - Step 3: Cross multiply
38,497,618.82x = 57,753,711.35 × 15,470,345.90 - Step 4: Simplify right side
38,497,618.82x = 893,469,891,227,135.62 - Step 5: Solve for x
x = 893,469,891,227,135.62/38,497,618.82 - Step 6: Final answer
x = 23,208,445.58
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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.