Finding the Fourth Proportional to 29,663,315.17, 40,934,930.11 and 16,432,450.21
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Solution
The fourth proportional to 29,663,315.17, 40,934,930.11 and 16,432,450.21 is: 22,676,534.87
Step by Step Solution
- Step 1: Write the proportion equation
29,663,315.17 : 40,934,930.11 = 16,432,450.21 : x - Step 2: Convert to fraction form
29,663,315.17/40,934,930.11 = 16,432,450.21/x - Step 3: Cross multiply
29,663,315.17x = 40,934,930.11 × 16,432,450.21 - Step 4: Simplify right side
29,663,315.17x = 672,661,200,662,233.38 - Step 5: Solve for x
x = 672,661,200,662,233.38/29,663,315.17 - Step 6: Final answer
x = 22,676,534.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.