Home / 8,978,575.85-13,467,863.93-2,155,149.03

Finding the Fourth Proportional to 8,978,575.85, 13,467,863.93 and 2,155,149.03

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Solution

The fourth proportional to 8,978,575.85, 13,467,863.93 and 2,155,149.03 is: 3,232,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,575.85 : 13,467,863.93 = 2,155,149.03 : x
  2. Step 2: Convert to fraction form
    8,978,575.85/13,467,863.93 = 2,155,149.03/x
  3. Step 3: Cross multiply
    8,978,575.85x = 13,467,863.93 × 2,155,149.03
  4. Step 4: Simplify right side
    8,978,575.85x = 29,025,253,874,135.74
  5. Step 5: Solve for x
    x = 29,025,253,874,135.74/8,978,575.85
  6. Step 6: Final answer
    x = 3,232,723.58

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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.