Home / 8,521,105.76-12,781,921.07-3,726,326.96

Finding the Fourth Proportional to 8,521,105.76, 12,781,921.07 and 3,726,326.96

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Solution

The fourth proportional to 8,521,105.76, 12,781,921.07 and 3,726,326.96 is: 5,589,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,105.76 : 12,781,921.07 = 3,726,326.96 : x
  2. Step 2: Convert to fraction form
    8,521,105.76/12,781,921.07 = 3,726,326.96/x
  3. Step 3: Cross multiply
    8,521,105.76x = 12,781,921.07 × 3,726,326.96
  4. Step 4: Simplify right side
    8,521,105.76x = 47,629,617,029,139.26
  5. Step 5: Solve for x
    x = 47,629,617,029,139.26/8,521,105.76
  6. Step 6: Final answer
    x = 5,589,605.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.