Home / 22,665,765.18-31,279,864.94-12,745,769.92

Finding the Fourth Proportional to 22,665,765.18, 31,279,864.94 and 12,745,769.92

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Solution

The fourth proportional to 22,665,765.18, 31,279,864.94 and 12,745,769.92 is: 17,589,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665,765.18 : 31,279,864.94 = 12,745,769.92 : x
  2. Step 2: Convert to fraction form
    22,665,765.18/31,279,864.94 = 12,745,769.92/x
  3. Step 3: Cross multiply
    22,665,765.18x = 31,279,864.94 × 12,745,769.92
  4. Step 4: Simplify right side
    22,665,765.18x = 398,685,961,653,914.62
  5. Step 5: Solve for x
    x = 398,685,961,653,914.62/22,665,765.18
  6. Step 6: Final answer
    x = 17,589,786.12

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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.