Home / 8,569,887.39-12,854,906.42-2,180,146.50

Finding the Fourth Proportional to 8,569,887.39, 12,854,906.42 and 2,180,146.50

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Solution

The fourth proportional to 8,569,887.39, 12,854,906.42 and 2,180,146.50 is: 3,270,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,887.39 : 12,854,906.42 = 2,180,146.50 : x
  2. Step 2: Convert to fraction form
    8,569,887.39/12,854,906.42 = 2,180,146.50/x
  3. Step 3: Cross multiply
    8,569,887.39x = 12,854,906.42 × 2,180,146.50
  4. Step 4: Simplify right side
    8,569,887.39x = 28,025,579,228,489.80
  5. Step 5: Solve for x
    x = 28,025,579,228,489.80/8,569,887.39
  6. Step 6: Final answer
    x = 3,270,238.91

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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.