Home / 22,665,769.80-31,279,871.30-12,745,774.53

Finding the Fourth Proportional to 22,665,769.80, 31,279,871.30 and 12,745,774.53

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Solution

The fourth proportional to 22,665,769.80, 31,279,871.30 and 12,745,774.53 is: 17,589,792.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665,769.80 : 31,279,871.30 = 12,745,774.53 : x
  2. Step 2: Convert to fraction form
    22,665,769.80/31,279,871.30 = 12,745,774.53/x
  3. Step 3: Cross multiply
    22,665,769.80x = 31,279,871.30 × 12,745,774.53
  4. Step 4: Simplify right side
    22,665,769.80x = 398,686,186,853,489.12
  5. Step 5: Solve for x
    x = 398,686,186,853,489.12/22,665,769.80
  6. Step 6: Final answer
    x = 17,589,792.47

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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.