Home / 18,652,871.79-27,980,306.42-5,874,371.73

Finding the Fourth Proportional to 18,652,871.79, 27,980,306.42 and 5,874,371.73

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Solution

The fourth proportional to 18,652,871.79, 27,980,306.42 and 5,874,371.73 is: 8,811,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652,871.79 : 27,980,306.42 = 5,874,371.73 : x
  2. Step 2: Convert to fraction form
    18,652,871.79/27,980,306.42 = 5,874,371.73/x
  3. Step 3: Cross multiply
    18,652,871.79x = 27,980,306.42 × 5,874,371.73
  4. Step 4: Simplify right side
    18,652,871.79x = 164,366,721,001,013.66
  5. Step 5: Solve for x
    x = 164,366,721,001,013.66/18,652,871.79
  6. Step 6: Final answer
    x = 8,811,872.13

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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.