Home / 42,619,964.20-63,936,167.10-13,861,205.80

Finding the Fourth Proportional to 42,619,964.20, 63,936,167.10 and 13,861,205.80

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Solution

The fourth proportional to 42,619,964.20, 63,936,167.10 and 13,861,205.80 is: 20,793,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,619,964.20 : 63,936,167.10 = 13,861,205.80 : x
  2. Step 2: Convert to fraction form
    42,619,964.20/63,936,167.10 = 13,861,205.80/x
  3. Step 3: Cross multiply
    42,619,964.20x = 63,936,167.10 × 13,861,205.80
  4. Step 4: Simplify right side
    42,619,964.20x = 886,232,370,236,289.25
  5. Step 5: Solve for x
    x = 886,232,370,236,289.25/42,619,964.20
  6. Step 6: Final answer
    x = 20,793,831.88

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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.