Finding the Fourth Proportional to 10,261,434.66, 14,160,593.25 and 5,677,755.90
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Solution
The fourth proportional to 10,261,434.66, 14,160,593.25 and 5,677,755.90 is: 7,835,199.90
Step by Step Solution
- Step 1: Write the proportion equation
10,261,434.66 : 14,160,593.25 = 5,677,755.90 : x - Step 2: Convert to fraction form
10,261,434.66/14,160,593.25 = 5,677,755.90/x - Step 3: Cross multiply
10,261,434.66x = 14,160,593.25 × 5,677,755.90 - Step 4: Simplify right side
10,261,434.66x = 80,400,391,872,687.69 - Step 5: Solve for x
x = 80,400,391,872,687.69/10,261,434.66 - Step 6: Final answer
x = 7,835,199.90
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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.