Home / 6,129,972.20-9,194,958.30-5,173,378.40

Finding the Fourth Proportional to 6,129,972.20, 9,194,958.30 and 5,173,378.40

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Solution

The fourth proportional to 6,129,972.20, 9,194,958.30 and 5,173,378.40 is: 7,760,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,972.20 : 9,194,958.30 = 5,173,378.40 : x
  2. Step 2: Convert to fraction form
    6,129,972.20/9,194,958.30 = 5,173,378.40/x
  3. Step 3: Cross multiply
    6,129,972.20x = 9,194,958.30 × 5,173,378.40
  4. Step 4: Simplify right side
    6,129,972.20x = 47,568,998,658,120.73
  5. Step 5: Solve for x
    x = 47,568,998,658,120.73/6,129,972.20
  6. Step 6: Final answer
    x = 7,760,067.60

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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.