Finding the Fourth Proportional to 7,074,461.25, 9,755,820.90 and 4,491,657.99
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Solution
The fourth proportional to 7,074,461.25, 9,755,820.90 and 4,491,657.99 is: 6,194,084.52
Step by Step Solution
- Step 1: Write the proportion equation
7,074,461.25 : 9,755,820.90 = 4,491,657.99 : x - Step 2: Convert to fraction form
7,074,461.25/9,755,820.90 = 4,491,657.99/x - Step 3: Cross multiply
7,074,461.25x = 9,755,820.90 × 4,491,657.99 - Step 4: Simplify right side
7,074,461.25x = 43,819,810,894,493.99 - Step 5: Solve for x
x = 43,819,810,894,493.99/7,074,461.25 - Step 6: Final answer
x = 6,194,084.52
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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.