Home / 20,534,517.20-30,791,396.28-12,017,412.56

Finding the Fourth Proportional to 20,534,517.20, 30,791,396.28 and 12,017,412.56

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Solution

The fourth proportional to 20,534,517.20, 30,791,396.28 and 12,017,412.56 is: 18,020,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,517.20 : 30,791,396.28 = 12,017,412.56 : x
  2. Step 2: Convert to fraction form
    20,534,517.20/30,791,396.28 = 12,017,412.56/x
  3. Step 3: Cross multiply
    20,534,517.20x = 30,791,396.28 × 12,017,412.56
  4. Step 4: Simplify right side
    20,534,517.20x = 370,032,912,395,209.31
  5. Step 5: Solve for x
    x = 370,032,912,395,209.31/20,534,517.20
  6. Step 6: Final answer
    x = 18,020,044.43

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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.