Home / 20,257,120.31-27,957,487.16-11,553,297.71

Finding the Fourth Proportional to 20,257,120.31, 27,957,487.16 and 11,553,297.71

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Solution

The fourth proportional to 20,257,120.31, 27,957,487.16 and 11,553,297.71 is: 15,945,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,120.31 : 27,957,487.16 = 11,553,297.71 : x
  2. Step 2: Convert to fraction form
    20,257,120.31/27,957,487.16 = 11,553,297.71/x
  3. Step 3: Cross multiply
    20,257,120.31x = 27,957,487.16 × 11,553,297.71
  4. Step 4: Simplify right side
    20,257,120.31x = 323,001,172,272,078.25
  5. Step 5: Solve for x
    x = 323,001,172,272,078.25/20,257,120.31
  6. Step 6: Final answer
    x = 15,945,068.57

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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.