Home / 18,677,171.92-27,958,297.26-12,186,270.73

Finding the Fourth Proportional to 18,677,171.92, 27,958,297.26 and 12,186,270.73

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Solution

The fourth proportional to 18,677,171.92, 27,958,297.26 and 12,186,270.73 is: 18,241,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,171.92 : 27,958,297.26 = 12,186,270.73 : x
  2. Step 2: Convert to fraction form
    18,677,171.92/27,958,297.26 = 12,186,270.73/x
  3. Step 3: Cross multiply
    18,677,171.92x = 27,958,297.26 × 12,186,270.73
  4. Step 4: Simplify right side
    18,677,171.92x = 340,707,379,560,177.25
  5. Step 5: Solve for x
    x = 340,707,379,560,177.25/18,677,171.92
  6. Step 6: Final answer
    x = 18,241,914.84

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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.