Finding the Fourth Proportional to 32,606,794.80, 48,910,192.20 and 13,431,178.80
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Solution
The fourth proportional to 32,606,794.80, 48,910,192.20 and 13,431,178.80 is: 20,146,768.20
Step by Step Solution
- Step 1: Write the proportion equation
32,606,794.80 : 48,910,192.20 = 13,431,178.80 : x - Step 2: Convert to fraction form
32,606,794.80/48,910,192.20 = 13,431,178.80/x - Step 3: Cross multiply
32,606,794.80x = 48,910,192.20 × 13,431,178.80 - Step 4: Simplify right side
32,606,794.80x = 656,921,536,580,565.38 - Step 5: Solve for x
x = 656,921,536,580,565.38/32,606,794.80 - Step 6: Final answer
x = 20,146,768.20
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1.5x scale
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.