Home / 5,615,195.90-8,422,793.85-5,378,999.90

Finding the Fourth Proportional to 5,615,195.90, 8,422,793.85 and 5,378,999.90

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Solution

The fourth proportional to 5,615,195.90, 8,422,793.85 and 5,378,999.90 is: 8,068,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,195.90 : 8,422,793.85 = 5,378,999.90 : x
  2. Step 2: Convert to fraction form
    5,615,195.90/8,422,793.85 = 5,378,999.90/x
  3. Step 3: Cross multiply
    5,615,195.90x = 8,422,793.85 × 5,378,999.90
  4. Step 4: Simplify right side
    5,615,195.90x = 45,306,207,276,870.62
  5. Step 5: Solve for x
    x = 45,306,207,276,870.62/5,615,195.90
  6. Step 6: Final answer
    x = 8,068,499.85

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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.