Home / 8,084,584.20-12,126,876.30-7,499,999.10

Finding the Fourth Proportional to 8,084,584.20, 12,126,876.30 and 7,499,999.10

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Solution

The fourth proportional to 8,084,584.20, 12,126,876.30 and 7,499,999.10 is: 11,249,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,584.20 : 12,126,876.30 = 7,499,999.10 : x
  2. Step 2: Convert to fraction form
    8,084,584.20/12,126,876.30 = 7,499,999.10/x
  3. Step 3: Cross multiply
    8,084,584.20x = 12,126,876.30 × 7,499,999.10
  4. Step 4: Simplify right side
    8,084,584.20x = 90,951,561,335,811.33
  5. Step 5: Solve for x
    x = 90,951,561,335,811.33/8,084,584.20
  6. Step 6: Final answer
    x = 11,249,998.65

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Half scale
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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.