Finding the Fourth Proportional to 11,079,658.44, 16,625,339.10 and 7,861,987.92
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Solution
The fourth proportional to 11,079,658.44, 16,625,339.10 and 7,861,987.92 is: 11,797,133.99
Step by Step Solution
- Step 1: Write the proportion equation
11,079,658.44 : 16,625,339.10 = 7,861,987.92 : x - Step 2: Convert to fraction form
11,079,658.44/16,625,339.10 = 7,861,987.92/x - Step 3: Cross multiply
11,079,658.44x = 16,625,339.10 × 7,861,987.92 - Step 4: Simplify right side
11,079,658.44x = 130,708,215,170,103.67 - Step 5: Solve for x
x = 130,708,215,170,103.67/11,079,658.44 - Step 6: Final answer
x = 11,797,133.99
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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.