Home / 13,937,400.18-20,906,100.23-5,419,729.53

Finding the Fourth Proportional to 13,937,400.18, 20,906,100.23 and 5,419,729.53

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Solution

The fourth proportional to 13,937,400.18, 20,906,100.23 and 5,419,729.53 is: 8,129,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937,400.18 : 20,906,100.23 = 5,419,729.53 : x
  2. Step 2: Convert to fraction form
    13,937,400.18/20,906,100.23 = 5,419,729.53/x
  3. Step 3: Cross multiply
    13,937,400.18x = 20,906,100.23 × 5,419,729.53
  4. Step 4: Simplify right side
    13,937,400.18x = 113,305,408,746,572.16
  5. Step 5: Solve for x
    x = 113,305,408,746,572.16/13,937,400.18
  6. Step 6: Final answer
    x = 8,129,594.28

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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.