Home / 18,682,661.27-25,759,167.07-15,363,355.69

Finding the Fourth Proportional to 18,682,661.27, 25,759,167.07 and 15,363,355.69

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Solution

The fourth proportional to 18,682,661.27, 25,759,167.07 and 15,363,355.69 is: 21,182,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,661.27 : 25,759,167.07 = 15,363,355.69 : x
  2. Step 2: Convert to fraction form
    18,682,661.27/25,759,167.07 = 15,363,355.69/x
  3. Step 3: Cross multiply
    18,682,661.27x = 25,759,167.07 × 15,363,355.69
  4. Step 4: Simplify right side
    18,682,661.27x = 395,747,245,974,545.12
  5. Step 5: Solve for x
    x = 395,747,245,974,545.12/18,682,661.27
  6. Step 6: Final answer
    x = 21,182,594.93

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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.