Home / 18,508,813.18-25,568,767.83-14,782,751.95

Finding the Fourth Proportional to 18,508,813.18, 25,568,767.83 and 14,782,751.95

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Solution

The fourth proportional to 18,508,813.18, 25,568,767.83 and 14,782,751.95 is: 20,421,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508,813.18 : 25,568,767.83 = 14,782,751.95 : x
  2. Step 2: Convert to fraction form
    18,508,813.18/25,568,767.83 = 14,782,751.95/x
  3. Step 3: Cross multiply
    18,508,813.18x = 25,568,767.83 × 14,782,751.95
  4. Step 4: Simplify right side
    18,508,813.18x = 377,976,752,470,387.69
  5. Step 5: Solve for x
    x = 377,976,752,470,387.69/18,508,813.18
  6. Step 6: Final answer
    x = 20,421,447.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.