Home / 18,128,372.57-27,192,841.80-10,092,422.86

Finding the Fourth Proportional to 18,128,372.57, 27,192,841.80 and 10,092,422.86

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Solution

The fourth proportional to 18,128,372.57, 27,192,841.80 and 10,092,422.86 is: 15,138,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,372.57 : 27,192,841.80 = 10,092,422.86 : x
  2. Step 2: Convert to fraction form
    18,128,372.57/27,192,841.80 = 10,092,422.86/x
  3. Step 3: Cross multiply
    18,128,372.57x = 27,192,841.80 × 10,092,422.86
  4. Step 4: Simplify right side
    18,128,372.57x = 274,441,658,257,814.59
  5. Step 5: Solve for x
    x = 274,441,658,257,814.59/18,128,372.57
  6. Step 6: Final answer
    x = 15,138,791.81

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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.