Home / 20,659,747.20-30,954,191.40-9,853,780.20

Finding the Fourth Proportional to 20,659,747.20, 30,954,191.40 and 9,853,780.20

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Solution

The fourth proportional to 20,659,747.20, 30,954,191.40 and 9,853,780.20 is: 14,763,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,747.20 : 30,954,191.40 = 9,853,780.20 : x
  2. Step 2: Convert to fraction form
    20,659,747.20/30,954,191.40 = 9,853,780.20/x
  3. Step 3: Cross multiply
    20,659,747.20x = 30,954,191.40 × 9,853,780.20
  4. Step 4: Simplify right side
    20,659,747.20x = 305,015,798,324,330.25
  5. Step 5: Solve for x
    x = 305,015,798,324,330.25/20,659,747.20
  6. Step 6: Final answer
    x = 14,763,772.05

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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.