Home / 8,887,512.30-13,331,268.45-5,486,289.90

Finding the Fourth Proportional to 8,887,512.30, 13,331,268.45 and 5,486,289.90

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Solution

The fourth proportional to 8,887,512.30, 13,331,268.45 and 5,486,289.90 is: 8,229,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887,512.30 : 13,331,268.45 = 5,486,289.90 : x
  2. Step 2: Convert to fraction form
    8,887,512.30/13,331,268.45 = 5,486,289.90/x
  3. Step 3: Cross multiply
    8,887,512.30x = 13,331,268.45 × 5,486,289.90
  4. Step 4: Simplify right side
    8,887,512.30x = 73,139,203,451,423.66
  5. Step 5: Solve for x
    x = 73,139,203,451,423.66/8,887,512.30
  6. Step 6: Final answer
    x = 8,229,434.85

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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.