Home / 31,449,485.76-47,174,491.20-8,732,154.56

Finding the Fourth Proportional to 31,449,485.76, 47,174,491.20 and 8,732,154.56

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Solution

The fourth proportional to 31,449,485.76, 47,174,491.20 and 8,732,154.56 is: 13,098,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,485.76 : 47,174,491.20 = 8,732,154.56 : x
  2. Step 2: Convert to fraction form
    31,449,485.76/47,174,491.20 = 8,732,154.56/x
  3. Step 3: Cross multiply
    31,449,485.76x = 47,174,491.20 × 8,732,154.56
  4. Step 4: Simplify right side
    31,449,485.76x = 411,934,948,447,759.94
  5. Step 5: Solve for x
    x = 411,934,948,447,759.94/31,449,485.76
  6. Step 6: Final answer
    x = 13,098,304.74

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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.