Finding the Fourth Proportional to 22,598,165.46, 31,156,197.12 and 14,636,542.62
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Solution
The fourth proportional to 22,598,165.46, 31,156,197.12 and 14,636,542.62 is: 20,179,470.22
Step by Step Solution
- Step 1: Write the proportion equation
22,598,165.46 : 31,156,197.12 = 14,636,542.62 : x - Step 2: Convert to fraction form
22,598,165.46/31,156,197.12 = 14,636,542.62/x - Step 3: Cross multiply
22,598,165.46x = 31,156,197.12 × 14,636,542.62 - Step 4: Simplify right side
22,598,165.46x = 456,019,007,024,001.25 - Step 5: Solve for x
x = 456,019,007,024,001.25/22,598,165.46 - Step 6: Final answer
x = 20,179,470.22
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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.