Finding the Fourth Proportional to 7,932,456.38, 11,900,397.56 and 2,467,447.13
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Solution
The fourth proportional to 7,932,456.38, 11,900,397.56 and 2,467,447.13 is: 3,701,703.53
Step by Step Solution
- Step 1: Write the proportion equation
7,932,456.38 : 11,900,397.56 = 2,467,447.13 : x - Step 2: Convert to fraction form
7,932,456.38/11,900,397.56 = 2,467,447.13/x - Step 3: Cross multiply
7,932,456.38x = 11,900,397.56 × 2,467,447.13 - Step 4: Simplify right side
7,932,456.38x = 29,363,601,733,441.78 - Step 5: Solve for x
x = 29,363,601,733,441.78/7,932,456.38 - Step 6: Final answer
x = 3,701,703.53
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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.