Finding the Fourth Proportional to 21,086,220.11, 29,114,063.42 and 16,445,190.17
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Solution
The fourth proportional to 21,086,220.11, 29,114,063.42 and 16,445,190.17 is: 22,706,123.11
Step by Step Solution
- Step 1: Write the proportion equation
21,086,220.11 : 29,114,063.42 = 16,445,190.17 : x - Step 2: Convert to fraction form
21,086,220.11/29,114,063.42 = 16,445,190.17/x - Step 3: Cross multiply
21,086,220.11x = 29,114,063.42 × 16,445,190.17 - Step 4: Simplify right side
21,086,220.11x = 478,786,309,553,899.75 - Step 5: Solve for x
x = 478,786,309,553,899.75/21,086,220.11 - Step 6: Final answer
x = 22,706,123.11
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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.