Home / 39,251,257.52-54,166,737.81-21,847,229.37

Finding the Fourth Proportional to 39,251,257.52, 54,166,737.81 and 21,847,229.37

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Solution

The fourth proportional to 39,251,257.52, 54,166,737.81 and 21,847,229.37 is: 30,149,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251,257.52 : 54,166,737.81 = 21,847,229.37 : x
  2. Step 2: Convert to fraction form
    39,251,257.52/54,166,737.81 = 21,847,229.37/x
  3. Step 3: Cross multiply
    39,251,257.52x = 54,166,737.81 × 21,847,229.37
  4. Step 4: Simplify right side
    39,251,257.52x = 1,183,393,145,159,721.50
  5. Step 5: Solve for x
    x = 1,183,393,145,159,721.50/39,251,257.52
  6. Step 6: Final answer
    x = 30,149,177.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.