Finding the Fourth Proportional to 16,279,085.76, 24,419,149.92 and 8,187,645.12
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Solution
The fourth proportional to 16,279,085.76, 24,419,149.92 and 8,187,645.12 is: 12,281,729.86
Step by Step Solution
- Step 1: Write the proportion equation
16,279,085.76 : 24,419,149.92 = 8,187,645.12 : x - Step 2: Convert to fraction form
16,279,085.76/24,419,149.92 = 8,187,645.12/x - Step 3: Cross multiply
16,279,085.76x = 24,419,149.92 × 8,187,645.12 - Step 4: Simplify right side
16,279,085.76x = 199,935,333,677,036.41 - Step 5: Solve for x
x = 199,935,333,677,036.41/16,279,085.76 - Step 6: Final answer
x = 12,281,729.86
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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.