Home / 31,900,819.40-47,851,229.10-15,734,515.40

Finding the Fourth Proportional to 31,900,819.40, 47,851,229.10 and 15,734,515.40

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Solution

The fourth proportional to 31,900,819.40, 47,851,229.10 and 15,734,515.40 is: 23,601,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,900,819.40 : 47,851,229.10 = 15,734,515.40 : x
  2. Step 2: Convert to fraction form
    31,900,819.40/47,851,229.10 = 15,734,515.40/x
  3. Step 3: Cross multiply
    31,900,819.40x = 47,851,229.10 × 15,734,515.40
  4. Step 4: Simplify right side
    31,900,819.40x = 752,915,901,182,878.12
  5. Step 5: Solve for x
    x = 752,915,901,182,878.12/31,900,819.40
  6. Step 6: Final answer
    x = 23,601,773.10

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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.