Finding the Fourth Proportional to 56,967,747.47, 85,451,622.21 and 13,836,660.17
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Solution
The fourth proportional to 56,967,747.47, 85,451,622.21 and 13,836,660.17 is: 20,754,990.50
Step by Step Solution
- Step 1: Write the proportion equation
56,967,747.47 : 85,451,622.21 = 13,836,660.17 : x - Step 2: Convert to fraction form
56,967,747.47/85,451,622.21 = 13,836,660.17/x - Step 3: Cross multiply
56,967,747.47x = 85,451,622.21 × 13,836,660.17 - Step 4: Simplify right side
56,967,747.47x = 1,182,365,057,708,623.25 - Step 5: Solve for x
x = 1,182,365,057,708,623.25/56,967,747.47 - Step 6: Final answer
x = 20,754,990.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.