Home / 13,679,624.52-20,568,656.54-12,613,183.56

Finding the Fourth Proportional to 13,679,624.52, 20,568,656.54 and 12,613,183.56

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Solution

The fourth proportional to 13,679,624.52, 20,568,656.54 and 12,613,183.56 is: 18,965,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,624.52 : 20,568,656.54 = 12,613,183.56 : x
  2. Step 2: Convert to fraction form
    13,679,624.52/20,568,656.54 = 12,613,183.56/x
  3. Step 3: Cross multiply
    13,679,624.52x = 20,568,656.54 × 12,613,183.56
  4. Step 4: Simplify right side
    13,679,624.52x = 259,436,240,521,614.47
  5. Step 5: Solve for x
    x = 259,436,240,521,614.47/13,679,624.52
  6. Step 6: Final answer
    x = 18,965,158.01

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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.