Finding the Fourth Proportional to 9,841,677.19, 13,581,908.18 and 5,491,143.70
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Solution
The fourth proportional to 9,841,677.19, 13,581,908.18 and 5,491,143.70 is: 7,577,997.94
Step by Step Solution
- Step 1: Write the proportion equation
9,841,677.19 : 13,581,908.18 = 5,491,143.70 : x - Step 2: Convert to fraction form
9,841,677.19/13,581,908.18 = 5,491,143.70/x - Step 3: Cross multiply
9,841,677.19x = 13,581,908.18 × 5,491,143.70 - Step 4: Simplify right side
9,841,677.19x = 74,580,209,495,766.77 - Step 5: Solve for x
x = 74,580,209,495,766.77/9,841,677.19 - Step 6: Final answer
x = 7,577,997.94
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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.