Finding the Fourth Proportional to 22,664,738.84, 31,276,545.18 and 12,351,251.48
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Solution
The fourth proportional to 22,664,738.84, 31,276,545.18 and 12,351,251.48 is: 17,044,294.12
Step by Step Solution
- Step 1: Write the proportion equation
22,664,738.84 : 31,276,545.18 = 12,351,251.48 : x - Step 2: Convert to fraction form
22,664,738.84/31,276,545.18 = 12,351,251.48/x - Step 3: Cross multiply
22,664,738.84x = 31,276,545.18 × 12,351,251.48 - Step 4: Simplify right side
22,664,738.84x = 386,304,474,943,761.88 - Step 5: Solve for x
x = 386,304,474,943,761.88/22,664,738.84 - Step 6: Final answer
x = 17,044,294.12
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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.