Home / 27,731,162.35-38,267,854.38-15,172,155.39

Finding the Fourth Proportional to 27,731,162.35, 38,267,854.38 and 15,172,155.39

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Solution

The fourth proportional to 27,731,162.35, 38,267,854.38 and 15,172,155.39 is: 20,936,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731,162.35 : 38,267,854.38 = 15,172,155.39 : x
  2. Step 2: Convert to fraction form
    27,731,162.35/38,267,854.38 = 15,172,155.39/x
  3. Step 3: Cross multiply
    27,731,162.35x = 38,267,854.38 × 15,172,155.39
  4. Step 4: Simplify right side
    27,731,162.35x = 580,605,832,915,852.50
  5. Step 5: Solve for x
    x = 580,605,832,915,852.50/27,731,162.35
  6. Step 6: Final answer
    x = 20,936,945.43

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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.