Home / 8,084,358.20-12,126,537.30-6,997,856.60

Finding the Fourth Proportional to 8,084,358.20, 12,126,537.30 and 6,997,856.60

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Solution

The fourth proportional to 8,084,358.20, 12,126,537.30 and 6,997,856.60 is: 10,496,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,358.20 : 12,126,537.30 = 6,997,856.60 : x
  2. Step 2: Convert to fraction form
    8,084,358.20/12,126,537.30 = 6,997,856.60/x
  3. Step 3: Cross multiply
    8,084,358.20x = 12,126,537.30 × 6,997,856.60
  4. Step 4: Simplify right side
    8,084,358.20x = 84,859,769,079,951.19
  5. Step 5: Solve for x
    x = 84,859,769,079,951.19/8,084,358.20
  6. Step 6: Final answer
    x = 10,496,784.90

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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.