Home / 8,248,812.15-12,373,218.23-7,381,010.55

Finding the Fourth Proportional to 8,248,812.15, 12,373,218.23 and 7,381,010.55

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Solution

The fourth proportional to 8,248,812.15, 12,373,218.23 and 7,381,010.55 is: 11,071,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248,812.15 : 12,373,218.23 = 7,381,010.55 : x
  2. Step 2: Convert to fraction form
    8,248,812.15/12,373,218.23 = 7,381,010.55/x
  3. Step 3: Cross multiply
    8,248,812.15x = 12,373,218.23 × 7,381,010.55
  4. Step 4: Simplify right side
    8,248,812.15x = 91,326,854,256,177.27
  5. Step 5: Solve for x
    x = 91,326,854,256,177.27/8,248,812.15
  6. Step 6: Final answer
    x = 11,071,515.83

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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.