Home / 8,040,928.20-12,061,392.30-7,667,680.20

Finding the Fourth Proportional to 8,040,928.20, 12,061,392.30 and 7,667,680.20

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Solution

The fourth proportional to 8,040,928.20, 12,061,392.30 and 7,667,680.20 is: 11,501,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,928.20 : 12,061,392.30 = 7,667,680.20 : x
  2. Step 2: Convert to fraction form
    8,040,928.20/12,061,392.30 = 7,667,680.20/x
  3. Step 3: Cross multiply
    8,040,928.20x = 12,061,392.30 × 7,667,680.20
  4. Step 4: Simplify right side
    8,040,928.20x = 92,482,898,923,142.47
  5. Step 5: Solve for x
    x = 92,482,898,923,142.47/8,040,928.20
  6. Step 6: Final answer
    x = 11,501,520.30

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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.