Finding the Fourth Proportional to 22,921,265.26, 31,676,711.28 and 18,784,773.46
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Solution
The fourth proportional to 22,921,265.26, 31,676,711.28 and 18,784,773.46 is: 25,960,165.75
Step by Step Solution
- Step 1: Write the proportion equation
22,921,265.26 : 31,676,711.28 = 18,784,773.46 : x - Step 2: Convert to fraction form
22,921,265.26/31,676,711.28 = 18,784,773.46/x - Step 3: Cross multiply
22,921,265.26x = 31,676,711.28 × 18,784,773.46 - Step 4: Simplify right side
22,921,265.26x = 595,039,845,352,626.62 - Step 5: Solve for x
x = 595,039,845,352,626.62/22,921,265.26 - Step 6: Final answer
x = 25,960,165.75
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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.