Home / 8,691,682.70-13,037,524.05-5,479,417.10

Finding the Fourth Proportional to 8,691,682.70, 13,037,524.05 and 5,479,417.10

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Solution

The fourth proportional to 8,691,682.70, 13,037,524.05 and 5,479,417.10 is: 8,219,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,682.70 : 13,037,524.05 = 5,479,417.10 : x
  2. Step 2: Convert to fraction form
    8,691,682.70/13,037,524.05 = 5,479,417.10/x
  3. Step 3: Cross multiply
    8,691,682.70x = 13,037,524.05 × 5,479,417.10
  4. Step 4: Simplify right side
    8,691,682.70x = 71,438,032,221,231.25
  5. Step 5: Solve for x
    x = 71,438,032,221,231.25/8,691,682.70
  6. Step 6: Final answer
    x = 8,219,125.65

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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.