Home / 10,686,278.87-14,747,027.11-5,791,619.78

Finding the Fourth Proportional to 10,686,278.87, 14,747,027.11 and 5,791,619.78

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Solution

The fourth proportional to 10,686,278.87, 14,747,027.11 and 5,791,619.78 is: 7,992,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,278.87 : 14,747,027.11 = 5,791,619.78 : x
  2. Step 2: Convert to fraction form
    10,686,278.87/14,747,027.11 = 5,791,619.78/x
  3. Step 3: Cross multiply
    10,686,278.87x = 14,747,027.11 × 5,791,619.78
  4. Step 4: Simplify right side
    10,686,278.87x = 85,409,173,906,131.47
  5. Step 5: Solve for x
    x = 85,409,173,906,131.47/10,686,278.87
  6. Step 6: Final answer
    x = 7,992,414.85

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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.