Home / 31,392,147.60-47,063,338.20-17,208,723.60

Finding the Fourth Proportional to 31,392,147.60, 47,063,338.20 and 17,208,723.60

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Solution

The fourth proportional to 31,392,147.60, 47,063,338.20 and 17,208,723.60 is: 25,799,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392,147.60 : 47,063,338.20 = 17,208,723.60 : x
  2. Step 2: Convert to fraction form
    31,392,147.60/47,063,338.20 = 17,208,723.60/x
  3. Step 3: Cross multiply
    31,392,147.60x = 47,063,338.20 × 17,208,723.60
  4. Step 4: Simplify right side
    31,392,147.60x = 809,899,978,777,121.62
  5. Step 5: Solve for x
    x = 809,899,978,777,121.62/31,392,147.60
  6. Step 6: Final answer
    x = 25,799,444.79

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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.