Home / 12,687,997.33-17,509,454.04-6,886,780.39

Finding the Fourth Proportional to 12,687,997.33, 17,509,454.04 and 6,886,780.39

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Solution

The fourth proportional to 12,687,997.33, 17,509,454.04 and 6,886,780.39 is: 9,503,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,997.33 : 17,509,454.04 = 6,886,780.39 : x
  2. Step 2: Convert to fraction form
    12,687,997.33/17,509,454.04 = 6,886,780.39/x
  3. Step 3: Cross multiply
    12,687,997.33x = 17,509,454.04 × 6,886,780.39
  4. Step 4: Simplify right side
    12,687,997.33x = 120,583,764,722,278.27
  5. Step 5: Solve for x
    x = 120,583,764,722,278.27/12,687,997.33
  6. Step 6: Final answer
    x = 9,503,766.56

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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.