Home / 20,361,984.28-30,565,107.78-8,239,793.56

Finding the Fourth Proportional to 20,361,984.28, 30,565,107.78 and 8,239,793.56

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Solution

The fourth proportional to 20,361,984.28, 30,565,107.78 and 8,239,793.56 is: 12,368,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,984.28 : 30,565,107.78 = 8,239,793.56 : x
  2. Step 2: Convert to fraction form
    20,361,984.28/30,565,107.78 = 8,239,793.56/x
  3. Step 3: Cross multiply
    20,361,984.28x = 30,565,107.78 × 8,239,793.56
  4. Step 4: Simplify right side
    20,361,984.28x = 251,850,178,246,349.91
  5. Step 5: Solve for x
    x = 251,850,178,246,349.91/20,361,984.28
  6. Step 6: Final answer
    x = 12,368,646.14

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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.