Home / 8,129,113.31-11,218,672.38-4,691,575.77

Finding the Fourth Proportional to 8,129,113.31, 11,218,672.38 and 4,691,575.77

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Solution

The fourth proportional to 8,129,113.31, 11,218,672.38 and 4,691,575.77 is: 6,474,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,113.31 : 11,218,672.38 = 4,691,575.77 : x
  2. Step 2: Convert to fraction form
    8,129,113.31/11,218,672.38 = 4,691,575.77/x
  3. Step 3: Cross multiply
    8,129,113.31x = 11,218,672.38 × 4,691,575.77
  4. Step 4: Simplify right side
    8,129,113.31x = 52,633,251,509,576.23
  5. Step 5: Solve for x
    x = 52,633,251,509,576.23/8,129,113.31
  6. Step 6: Final answer
    x = 6,474,660.83

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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.