Home / 8,122,855.86-11,203,084.04-6,903,198.76

Finding the Fourth Proportional to 8,122,855.86, 11,203,084.04 and 6,903,198.76

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Solution

The fourth proportional to 8,122,855.86, 11,203,084.04 and 6,903,198.76 is: 9,520,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,855.86 : 11,203,084.04 = 6,903,198.76 : x
  2. Step 2: Convert to fraction form
    8,122,855.86/11,203,084.04 = 6,903,198.76/x
  3. Step 3: Cross multiply
    8,122,855.86x = 11,203,084.04 × 6,903,198.76
  4. Step 4: Simplify right side
    8,122,855.86x = 77,337,115,853,103.78
  5. Step 5: Solve for x
    x = 77,337,115,853,103.78/8,122,855.86
  6. Step 6: Final answer
    x = 9,520,926.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.