Finding the Fourth Proportional to 12,125,144.64, 16,726,898.88 and 8,206,273.92
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Solution
The fourth proportional to 12,125,144.64, 16,726,898.88 and 8,206,273.92 is: 11,320,732.09
Step by Step Solution
- Step 1: Write the proportion equation
12,125,144.64 : 16,726,898.88 = 8,206,273.92 : x - Step 2: Convert to fraction form
12,125,144.64/16,726,898.88 = 8,206,273.92/x - Step 3: Cross multiply
12,125,144.64x = 16,726,898.88 × 8,206,273.92 - Step 4: Simplify right side
12,125,144.64x = 137,265,514,041,421.22 - Step 5: Solve for x
x = 137,265,514,041,421.22/12,125,144.64 - Step 6: Final answer
x = 11,320,732.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.