Home / 12,379,814.36-18,568,829.64-3,281,704.76

Finding the Fourth Proportional to 12,379,814.36, 18,568,829.64 and 3,281,704.76

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Solution

The fourth proportional to 12,379,814.36, 18,568,829.64 and 3,281,704.76 is: 4,922,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,814.36 : 18,568,829.64 = 3,281,704.76 : x
  2. Step 2: Convert to fraction form
    12,379,814.36/18,568,829.64 = 3,281,704.76/x
  3. Step 3: Cross multiply
    12,379,814.36x = 18,568,829.64 × 3,281,704.76
  4. Step 4: Simplify right side
    12,379,814.36x = 60,937,416,617,217.09
  5. Step 5: Solve for x
    x = 60,937,416,617,217.09/12,379,814.36
  6. Step 6: Final answer
    x = 4,922,320.71

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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.