Home / 21,101,278.74-31,647,489.03-5,951,667.30

Finding the Fourth Proportional to 21,101,278.74, 31,647,489.03 and 5,951,667.30

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Solution

The fourth proportional to 21,101,278.74, 31,647,489.03 and 5,951,667.30 is: 8,926,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,278.74 : 31,647,489.03 = 5,951,667.30 : x
  2. Step 2: Convert to fraction form
    21,101,278.74/31,647,489.03 = 5,951,667.30/x
  3. Step 3: Cross multiply
    21,101,278.74x = 31,647,489.03 × 5,951,667.30
  4. Step 4: Simplify right side
    21,101,278.74x = 188,355,325,586,959.72
  5. Step 5: Solve for x
    x = 188,355,325,586,959.72/21,101,278.74
  6. Step 6: Final answer
    x = 8,926,251.72

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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.