Home / 15,143,612.80-22,715,419.20-9,171,644.80

Finding the Fourth Proportional to 15,143,612.80, 22,715,419.20 and 9,171,644.80

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Solution

The fourth proportional to 15,143,612.80, 22,715,419.20 and 9,171,644.80 is: 13,757,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,612.80 : 22,715,419.20 = 9,171,644.80 : x
  2. Step 2: Convert to fraction form
    15,143,612.80/22,715,419.20 = 9,171,644.80/x
  3. Step 3: Cross multiply
    15,143,612.80x = 22,715,419.20 × 9,171,644.80
  4. Step 4: Simplify right side
    15,143,612.80x = 208,337,756,385,500.16
  5. Step 5: Solve for x
    x = 208,337,756,385,500.16/15,143,612.80
  6. Step 6: Final answer
    x = 13,757,467.20

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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.