Finding the Fourth Proportional to 12,177,408.97, 18,240,694.96 and 7,304,260.91
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Solution
The fourth proportional to 12,177,408.97, 18,240,694.96 and 7,304,260.91 is: 10,941,144.83
Step by Step Solution
- Step 1: Write the proportion equation
12,177,408.97 : 18,240,694.96 = 7,304,260.91 : x - Step 2: Convert to fraction form
12,177,408.97/18,240,694.96 = 7,304,260.91/x - Step 3: Cross multiply
12,177,408.97x = 18,240,694.96 × 7,304,260.91 - Step 4: Simplify right side
12,177,408.97x = 133,234,795,167,562.02 - Step 5: Solve for x
x = 133,234,795,167,562.02/12,177,408.97 - Step 6: Final answer
x = 10,941,144.83
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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.