Home / 8,857,499.85-13,286,249.78-4,378,523.85

Finding the Fourth Proportional to 8,857,499.85, 13,286,249.78 and 4,378,523.85

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Solution

The fourth proportional to 8,857,499.85, 13,286,249.78 and 4,378,523.85 is: 6,567,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,499.85 : 13,286,249.78 = 4,378,523.85 : x
  2. Step 2: Convert to fraction form
    8,857,499.85/13,286,249.78 = 4,378,523.85/x
  3. Step 3: Cross multiply
    8,857,499.85x = 13,286,249.78 × 4,378,523.85
  4. Step 4: Simplify right side
    8,857,499.85x = 58,174,161,516,894.63
  5. Step 5: Solve for x
    x = 58,174,161,516,894.63/8,857,499.85
  6. Step 6: Final answer
    x = 6,567,785.78

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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.