Home / 18,682,660.27-25,759,165.69-15,363,354.69

Finding the Fourth Proportional to 18,682,660.27, 25,759,165.69 and 15,363,354.69

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Solution

The fourth proportional to 18,682,660.27, 25,759,165.69 and 15,363,354.69 is: 21,182,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,660.27 : 25,759,165.69 = 15,363,354.69 : x
  2. Step 2: Convert to fraction form
    18,682,660.27/25,759,165.69 = 15,363,354.69/x
  3. Step 3: Cross multiply
    18,682,660.27x = 25,759,165.69 × 15,363,354.69
  4. Step 4: Simplify right side
    18,682,660.27x = 395,747,199,013,948.56
  5. Step 5: Solve for x
    x = 395,747,199,013,948.56/18,682,660.27
  6. Step 6: Final answer
    x = 21,182,593.55

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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.