Home / 8,978,575.35-13,467,863.18-2,155,148.53

Finding the Fourth Proportional to 8,978,575.35, 13,467,863.18 and 2,155,148.53

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Solution

The fourth proportional to 8,978,575.35, 13,467,863.18 and 2,155,148.53 is: 3,232,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,575.35 : 13,467,863.18 = 2,155,148.53 : x
  2. Step 2: Convert to fraction form
    8,978,575.35/13,467,863.18 = 2,155,148.53/x
  3. Step 3: Cross multiply
    8,978,575.35x = 13,467,863.18 × 2,155,148.53
  4. Step 4: Simplify right side
    8,978,575.35x = 29,025,245,534,618.12
  5. Step 5: Solve for x
    x = 29,025,245,534,618.12/8,978,575.35
  6. Step 6: Final answer
    x = 3,232,722.83

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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.