Home / 8,255,774.80-12,383,662.20-2,190,494.80

Finding the Fourth Proportional to 8,255,774.80, 12,383,662.20 and 2,190,494.80

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Solution

The fourth proportional to 8,255,774.80, 12,383,662.20 and 2,190,494.80 is: 3,285,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255,774.80 : 12,383,662.20 = 2,190,494.80 : x
  2. Step 2: Convert to fraction form
    8,255,774.80/12,383,662.20 = 2,190,494.80/x
  3. Step 3: Cross multiply
    8,255,774.80x = 12,383,662.20 × 2,190,494.80
  4. Step 4: Simplify right side
    8,255,774.80x = 27,126,347,654,056.55
  5. Step 5: Solve for x
    x = 27,126,347,654,056.55/8,255,774.80
  6. Step 6: Final answer
    x = 3,285,742.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.