Home / 13,681,640.34-20,481,545.79-8,273,924.82

Finding the Fourth Proportional to 13,681,640.34, 20,481,545.79 and 8,273,924.82

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Solution

The fourth proportional to 13,681,640.34, 20,481,545.79 and 8,273,924.82 is: 12,386,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,640.34 : 20,481,545.79 = 8,273,924.82 : x
  2. Step 2: Convert to fraction form
    13,681,640.34/20,481,545.79 = 8,273,924.82/x
  3. Step 3: Cross multiply
    13,681,640.34x = 20,481,545.79 × 8,273,924.82
  4. Step 4: Simplify right side
    13,681,640.34x = 169,462,770,063,847.50
  5. Step 5: Solve for x
    x = 169,462,770,063,847.50/13,681,640.34
  6. Step 6: Final answer
    x = 12,386,144.19

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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.