Home / 18,361,997.70-27,542,996.55-15,170,727.30

Finding the Fourth Proportional to 18,361,997.70, 27,542,996.55 and 15,170,727.30

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Solution

The fourth proportional to 18,361,997.70, 27,542,996.55 and 15,170,727.30 is: 22,756,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,997.70 : 27,542,996.55 = 15,170,727.30 : x
  2. Step 2: Convert to fraction form
    18,361,997.70/27,542,996.55 = 15,170,727.30/x
  3. Step 3: Cross multiply
    18,361,997.70x = 27,542,996.55 × 15,170,727.30
  4. Step 4: Simplify right side
    18,361,997.70x = 417,847,289,684,890.88
  5. Step 5: Solve for x
    x = 417,847,289,684,890.88/18,361,997.70
  6. Step 6: Final answer
    x = 22,756,090.95

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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.