Finding the Fourth Proportional to 16,351,631.40, 24,527,447.10 and 10,305,013.80
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Solution
The fourth proportional to 16,351,631.40, 24,527,447.10 and 10,305,013.80 is: 15,457,520.70
Step by Step Solution
- Step 1: Write the proportion equation
16,351,631.40 : 24,527,447.10 = 10,305,013.80 : x - Step 2: Convert to fraction form
16,351,631.40/24,527,447.10 = 10,305,013.80/x - Step 3: Cross multiply
16,351,631.40x = 24,527,447.10 × 10,305,013.80 - Step 4: Simplify right side
16,351,631.40x = 252,755,680,844,270 - Step 5: Solve for x
x = 252,755,680,844,270/16,351,631.40 - Step 6: Final answer
x = 15,457,520.70
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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.