Home / 22,679,270.22-31,297,909.24-12,888,171.66

Finding the Fourth Proportional to 22,679,270.22, 31,297,909.24 and 12,888,171.66

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Solution

The fourth proportional to 22,679,270.22, 31,297,909.24 and 12,888,171.66 is: 17,785,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679,270.22 : 31,297,909.24 = 12,888,171.66 : x
  2. Step 2: Convert to fraction form
    22,679,270.22/31,297,909.24 = 12,888,171.66/x
  3. Step 3: Cross multiply
    22,679,270.22x = 31,297,909.24 × 12,888,171.66
  4. Step 4: Simplify right side
    22,679,270.22x = 403,372,826,884,220.12
  5. Step 5: Solve for x
    x = 403,372,826,884,220.12/22,679,270.22
  6. Step 6: Final answer
    x = 17,785,970.31

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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.