Home / 18,930,000.20-28,388,001.90-6,150,921.80

Finding the Fourth Proportional to 18,930,000.20, 28,388,001.90 and 6,150,921.80

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Solution

The fourth proportional to 18,930,000.20, 28,388,001.90 and 6,150,921.80 is: 9,224,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930,000.20 : 28,388,001.90 = 6,150,921.80 : x
  2. Step 2: Convert to fraction form
    18,930,000.20/28,388,001.90 = 6,150,921.80/x
  3. Step 3: Cross multiply
    18,930,000.20x = 28,388,001.90 × 6,150,921.80
  4. Step 4: Simplify right side
    18,930,000.20x = 174,612,379,745,151.41
  5. Step 5: Solve for x
    x = 174,612,379,745,151.41/18,930,000.20
  6. Step 6: Final answer
    x = 9,224,108.71

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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.