Home / 8,781,021.45-13,171,458.03-6,863,545.89

Finding the Fourth Proportional to 8,781,021.45, 13,171,458.03 and 6,863,545.89

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Solution

The fourth proportional to 8,781,021.45, 13,171,458.03 and 6,863,545.89 is: 10,295,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,021.45 : 13,171,458.03 = 6,863,545.89 : x
  2. Step 2: Convert to fraction form
    8,781,021.45/13,171,458.03 = 6,863,545.89/x
  3. Step 3: Cross multiply
    8,781,021.45x = 13,171,458.03 × 6,863,545.89
  4. Step 4: Simplify right side
    8,781,021.45x = 90,402,906,627,113.98
  5. Step 5: Solve for x
    x = 90,402,906,627,113.98/8,781,021.45
  6. Step 6: Final answer
    x = 10,295,260.88

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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.