Home / 31,448,354.76-47,172,796.20-8,731,023.48

Finding the Fourth Proportional to 31,448,354.76, 47,172,796.20 and 8,731,023.48

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Solution

The fourth proportional to 31,448,354.76, 47,172,796.20 and 8,731,023.48 is: 13,096,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448,354.76 : 47,172,796.20 = 8,731,023.48 : x
  2. Step 2: Convert to fraction form
    31,448,354.76/47,172,796.20 = 8,731,023.48/x
  3. Step 3: Cross multiply
    31,448,354.76x = 47,172,796.20 × 8,731,023.48
  4. Step 4: Simplify right side
    31,448,354.76x = 411,866,791,239,454.81
  5. Step 5: Solve for x
    x = 411,866,791,239,454.81/31,448,354.76
  6. Step 6: Final answer
    x = 13,096,608.53

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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.