Home / 8,718,997.39-13,081,436.18-3,860,640.61

Finding the Fourth Proportional to 8,718,997.39, 13,081,436.18 and 3,860,640.61

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Solution

The fourth proportional to 8,718,997.39, 13,081,436.18 and 3,860,640.61 is: 5,792,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,997.39 : 13,081,436.18 = 3,860,640.61 : x
  2. Step 2: Convert to fraction form
    8,718,997.39/13,081,436.18 = 3,860,640.61/x
  3. Step 3: Cross multiply
    8,718,997.39x = 13,081,436.18 × 3,860,640.61
  4. Step 4: Simplify right side
    8,718,997.39x = 50,502,723,753,631.27
  5. Step 5: Solve for x
    x = 50,502,723,753,631.27/8,718,997.39
  6. Step 6: Final answer
    x = 5,792,262.74

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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.