Finding the Fourth Proportional to 38,266,645.62, 57,423,883.29 and 15,547,542.87
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Solution
The fourth proportional to 38,266,645.62, 57,423,883.29 and 15,547,542.87 is: 23,331,030.79
Step by Step Solution
- Step 1: Write the proportion equation
38,266,645.62 : 57,423,883.29 = 15,547,542.87 : x - Step 2: Convert to fraction form
38,266,645.62/57,423,883.29 = 15,547,542.87/x - Step 3: Cross multiply
38,266,645.62x = 57,423,883.29 × 15,547,542.87 - Step 4: Simplify right side
38,266,645.62x = 892,800,287,213,151.62 - Step 5: Solve for x
x = 892,800,287,213,151.62/38,266,645.62 - Step 6: Final answer
x = 23,331,030.79
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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.