Home / 8,291,185.60-12,455,440.80-8,067,236.80

Finding the Fourth Proportional to 8,291,185.60, 12,455,440.80 and 8,067,236.80

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Solution

The fourth proportional to 8,291,185.60, 12,455,440.80 and 8,067,236.80 is: 12,119,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,185.60 : 12,455,440.80 = 8,067,236.80 : x
  2. Step 2: Convert to fraction form
    8,291,185.60/12,455,440.80 = 8,067,236.80/x
  3. Step 3: Cross multiply
    8,291,185.60x = 12,455,440.80 × 8,067,236.80
  4. Step 4: Simplify right side
    8,291,185.60x = 100,480,990,381,981.44
  5. Step 5: Solve for x
    x = 100,480,990,381,981.44/8,291,185.60
  6. Step 6: Final answer
    x = 12,119,013.52

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1.5x scale

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.