Home / 20,180,221.20-30,270,331.80-14,121,793.80

Finding the Fourth Proportional to 20,180,221.20, 30,270,331.80 and 14,121,793.80

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Solution

The fourth proportional to 20,180,221.20, 30,270,331.80 and 14,121,793.80 is: 21,182,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,221.20 : 30,270,331.80 = 14,121,793.80 : x
  2. Step 2: Convert to fraction form
    20,180,221.20/30,270,331.80 = 14,121,793.80/x
  3. Step 3: Cross multiply
    20,180,221.20x = 30,270,331.80 × 14,121,793.80
  4. Step 4: Simplify right side
    20,180,221.20x = 427,471,383,937,182.88
  5. Step 5: Solve for x
    x = 427,471,383,937,182.88/20,180,221.20
  6. Step 6: Final answer
    x = 21,182,690.70

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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.