Home / 10,375,581.60-15,565,705.20-3,187,447.20

Finding the Fourth Proportional to 10,375,581.60, 15,565,705.20 and 3,187,447.20

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Solution

The fourth proportional to 10,375,581.60, 15,565,705.20 and 3,187,447.20 is: 4,781,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375,581.60 : 15,565,705.20 = 3,187,447.20 : x
  2. Step 2: Convert to fraction form
    10,375,581.60/15,565,705.20 = 3,187,447.20/x
  3. Step 3: Cross multiply
    10,375,581.60x = 15,565,705.20 × 3,187,447.20
  4. Step 4: Simplify right side
    10,375,581.60x = 49,614,863,455,765.44
  5. Step 5: Solve for x
    x = 49,614,863,455,765.44/10,375,581.60
  6. Step 6: Final answer
    x = 4,781,887.45

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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.