Home / 20,203,010.20-30,304,515.30-7,432,679.80

Finding the Fourth Proportional to 20,203,010.20, 30,304,515.30 and 7,432,679.80

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Solution

The fourth proportional to 20,203,010.20, 30,304,515.30 and 7,432,679.80 is: 11,149,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,010.20 : 30,304,515.30 = 7,432,679.80 : x
  2. Step 2: Convert to fraction form
    20,203,010.20/30,304,515.30 = 7,432,679.80/x
  3. Step 3: Cross multiply
    20,203,010.20x = 30,304,515.30 × 7,432,679.80
  4. Step 4: Simplify right side
    20,203,010.20x = 225,243,758,719,100.94
  5. Step 5: Solve for x
    x = 225,243,758,719,100.94/20,203,010.20
  6. Step 6: Final answer
    x = 11,149,019.70

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1.5x scale

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.