Finding the Fourth Proportional to 8,315,239.01, 12,472,889.19 and 2,557,932.75
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Solution
The fourth proportional to 8,315,239.01, 12,472,889.19 and 2,557,932.75 is: 3,836,908.56
Step by Step Solution
- Step 1: Write the proportion equation
8,315,239.01 : 12,472,889.19 = 2,557,932.75 : x - Step 2: Convert to fraction form
8,315,239.01/12,472,889.19 = 2,557,932.75/x - Step 3: Cross multiply
8,315,239.01x = 12,472,889.19 × 2,557,932.75 - Step 4: Simplify right side
8,315,239.01x = 31,904,811,746,221.97 - Step 5: Solve for x
x = 31,904,811,746,221.97/8,315,239.01 - Step 6: Final answer
x = 3,836,908.56
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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.