Home / 25,231,558.30-34,819,564.47-13,629,121.88

Finding the Fourth Proportional to 25,231,558.30, 34,819,564.47 and 13,629,121.88

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Solution

The fourth proportional to 25,231,558.30, 34,819,564.47 and 13,629,121.88 is: 18,808,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231,558.30 : 34,819,564.47 = 13,629,121.88 : x
  2. Step 2: Convert to fraction form
    25,231,558.30/34,819,564.47 = 13,629,121.88/x
  3. Step 3: Cross multiply
    25,231,558.30x = 34,819,564.47 × 13,629,121.88
  4. Step 4: Simplify right side
    25,231,558.30x = 474,560,087,744,940.62
  5. Step 5: Solve for x
    x = 474,560,087,744,940.62/25,231,558.30
  6. Step 6: Final answer
    x = 18,808,195.76

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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.