Home / 10,780,540.80-16,170,811.20-9,717,658.80

Finding the Fourth Proportional to 10,780,540.80, 16,170,811.20 and 9,717,658.80

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Solution

The fourth proportional to 10,780,540.80, 16,170,811.20 and 9,717,658.80 is: 14,576,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,540.80 : 16,170,811.20 = 9,717,658.80 : x
  2. Step 2: Convert to fraction form
    10,780,540.80/16,170,811.20 = 9,717,658.80/x
  3. Step 3: Cross multiply
    10,780,540.80x = 16,170,811.20 × 9,717,658.80
  4. Step 4: Simplify right side
    10,780,540.80x = 157,142,425,760,818.56
  5. Step 5: Solve for x
    x = 157,142,425,760,818.56/10,780,540.80
  6. Step 6: Final answer
    x = 14,576,488.20

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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.