Finding the Fourth Proportional to 8,857,708.47, 13,286,562.88 and 2,126,122.47
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Solution
The fourth proportional to 8,857,708.47, 13,286,562.88 and 2,126,122.47 is: 3,189,183.75
Step by Step Solution
- Step 1: Write the proportion equation
8,857,708.47 : 13,286,562.88 = 2,126,122.47 : x - Step 2: Convert to fraction form
8,857,708.47/13,286,562.88 = 2,126,122.47/x - Step 3: Cross multiply
8,857,708.47x = 13,286,562.88 × 2,126,122.47 - Step 4: Simplify right side
8,857,708.47x = 28,248,859,882,920.61 - Step 5: Solve for x
x = 28,248,859,882,920.61/8,857,708.47 - Step 6: Final answer
x = 3,189,183.75
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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.