Home / 8,138,766.30-12,208,149.45-6,255,015.90

Finding the Fourth Proportional to 8,138,766.30, 12,208,149.45 and 6,255,015.90

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Solution

The fourth proportional to 8,138,766.30, 12,208,149.45 and 6,255,015.90 is: 9,382,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,766.30 : 12,208,149.45 = 6,255,015.90 : x
  2. Step 2: Convert to fraction form
    8,138,766.30/12,208,149.45 = 6,255,015.90/x
  3. Step 3: Cross multiply
    8,138,766.30x = 12,208,149.45 × 6,255,015.90
  4. Step 4: Simplify right side
    8,138,766.30x = 76,362,168,919,326.25
  5. Step 5: Solve for x
    x = 76,362,168,919,326.25/8,138,766.30
  6. Step 6: Final answer
    x = 9,382,523.85

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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.