Finding the Fourth Proportional to 12,176,517.70, 18,264,776.55 and 6,204,549.70
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Solution
The fourth proportional to 12,176,517.70, 18,264,776.55 and 6,204,549.70 is: 9,306,824.55
Step by Step Solution
- Step 1: Write the proportion equation
12,176,517.70 : 18,264,776.55 = 6,204,549.70 : x - Step 2: Convert to fraction form
12,176,517.70/18,264,776.55 = 6,204,549.70/x - Step 3: Cross multiply
12,176,517.70x = 18,264,776.55 × 6,204,549.70 - Step 4: Simplify right side
12,176,517.70x = 113,324,713,863,869.55 - Step 5: Solve for x
x = 113,324,713,863,869.55/12,176,517.70 - Step 6: Final answer
x = 9,306,824.55
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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.