Home / 7,381,000.80-11,071,501.20-5,491,432.80

Finding the Fourth Proportional to 7,381,000.80, 11,071,501.20 and 5,491,432.80

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Solution

The fourth proportional to 7,381,000.80, 11,071,501.20 and 5,491,432.80 is: 8,237,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,000.80 : 11,071,501.20 = 5,491,432.80 : x
  2. Step 2: Convert to fraction form
    7,381,000.80/11,071,501.20 = 5,491,432.80/x
  3. Step 3: Cross multiply
    7,381,000.80x = 11,071,501.20 × 5,491,432.80
  4. Step 4: Simplify right side
    7,381,000.80x = 60,798,404,834,919.35
  5. Step 5: Solve for x
    x = 60,798,404,834,919.35/7,381,000.80
  6. Step 6: Final answer
    x = 8,237,149.20

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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.