Home / 18,145,781.73-25,024,358.31-13,243,238.37

Finding the Fourth Proportional to 18,145,781.73, 25,024,358.31 and 13,243,238.37

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Solution

The fourth proportional to 18,145,781.73, 25,024,358.31 and 13,243,238.37 is: 18,263,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,781.73 : 25,024,358.31 = 13,243,238.37 : x
  2. Step 2: Convert to fraction form
    18,145,781.73/25,024,358.31 = 13,243,238.37/x
  3. Step 3: Cross multiply
    18,145,781.73x = 25,024,358.31 × 13,243,238.37
  4. Step 4: Simplify right side
    18,145,781.73x = 331,403,542,155,620.31
  5. Step 5: Solve for x
    x = 331,403,542,155,620.31/18,145,781.73
  6. Step 6: Final answer
    x = 18,263,392.95

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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.