Home / 7,863,013.92-10,854,306.90-5,286,189

Finding the Fourth Proportional to 7,863,013.92, 10,854,306.90 and 5,286,189

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Solution

The fourth proportional to 7,863,013.92, 10,854,306.90 and 5,286,189 is: 7,297,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,013.92 : 10,854,306.90 = 5,286,189 : x
  2. Step 2: Convert to fraction form
    7,863,013.92/10,854,306.90 = 5,286,189/x
  3. Step 3: Cross multiply
    7,863,013.92x = 10,854,306.90 × 5,286,189
  4. Step 4: Simplify right side
    7,863,013.92x = 57,377,917,737,404.10
  5. Step 5: Solve for x
    x = 57,377,917,737,404.10/7,863,013.92
  6. Step 6: Final answer
    x = 7,297,191.42

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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.