Home / 7,788,198.60-11,682,297.90-5,635,862.55

Finding the Fourth Proportional to 7,788,198.60, 11,682,297.90 and 5,635,862.55

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Solution

The fourth proportional to 7,788,198.60, 11,682,297.90 and 5,635,862.55 is: 8,453,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,198.60 : 11,682,297.90 = 5,635,862.55 : x
  2. Step 2: Convert to fraction form
    7,788,198.60/11,682,297.90 = 5,635,862.55/x
  3. Step 3: Cross multiply
    7,788,198.60x = 11,682,297.90 × 5,635,862.55
  4. Step 4: Simplify right side
    7,788,198.60x = 65,839,825,232,553.65
  5. Step 5: Solve for x
    x = 65,839,825,232,553.65/7,788,198.60
  6. Step 6: Final answer
    x = 8,453,793.83

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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.