Home / 25,231,930.80-34,820,078.40-13,629,494.40

Finding the Fourth Proportional to 25,231,930.80, 34,820,078.40 and 13,629,494.40

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Solution

The fourth proportional to 25,231,930.80, 34,820,078.40 and 13,629,494.40 is: 18,808,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231,930.80 : 34,820,078.40 = 13,629,494.40 : x
  2. Step 2: Convert to fraction form
    25,231,930.80/34,820,078.40 = 13,629,494.40/x
  3. Step 3: Cross multiply
    25,231,930.80x = 34,820,078.40 × 13,629,494.40
  4. Step 4: Simplify right side
    25,231,930.80x = 474,580,063,560,360.94
  5. Step 5: Solve for x
    x = 474,580,063,560,360.94/25,231,930.80
  6. Step 6: Final answer
    x = 18,808,709.78

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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.