Home / 18,377,936.40-27,566,904.60-12,331,318.80

Finding the Fourth Proportional to 18,377,936.40, 27,566,904.60 and 12,331,318.80

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Solution

The fourth proportional to 18,377,936.40, 27,566,904.60 and 12,331,318.80 is: 18,496,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377,936.40 : 27,566,904.60 = 12,331,318.80 : x
  2. Step 2: Convert to fraction form
    18,377,936.40/27,566,904.60 = 12,331,318.80/x
  3. Step 3: Cross multiply
    18,377,936.40x = 27,566,904.60 × 12,331,318.80
  4. Step 4: Simplify right side
    18,377,936.40x = 339,936,288,951,786.50
  5. Step 5: Solve for x
    x = 339,936,288,951,786.50/18,377,936.40
  6. Step 6: Final answer
    x = 18,496,978.20

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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.