Home / 13,800,717.27-20,674,544.25-7,716,997.17

Finding the Fourth Proportional to 13,800,717.27, 20,674,544.25 and 7,716,997.17

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Solution

The fourth proportional to 13,800,717.27, 20,674,544.25 and 7,716,997.17 is: 11,560,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,717.27 : 20,674,544.25 = 7,716,997.17 : x
  2. Step 2: Convert to fraction form
    13,800,717.27/20,674,544.25 = 7,716,997.17/x
  3. Step 3: Cross multiply
    13,800,717.27x = 20,674,544.25 × 7,716,997.17
  4. Step 4: Simplify right side
    13,800,717.27x = 159,545,399,468,289.78
  5. Step 5: Solve for x
    x = 159,545,399,468,289.78/13,800,717.27
  6. Step 6: Final answer
    x = 11,560,659.95

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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.