Home / 8,247,100.78-11,380,480.32-4,981,982.68

Finding the Fourth Proportional to 8,247,100.78, 11,380,480.32 and 4,981,982.68

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Solution

The fourth proportional to 8,247,100.78, 11,380,480.32 and 4,981,982.68 is: 6,874,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247,100.78 : 11,380,480.32 = 4,981,982.68 : x
  2. Step 2: Convert to fraction form
    8,247,100.78/11,380,480.32 = 4,981,982.68/x
  3. Step 3: Cross multiply
    8,247,100.78x = 11,380,480.32 × 4,981,982.68
  4. Step 4: Simplify right side
    8,247,100.78x = 56,697,355,844,320.86
  5. Step 5: Solve for x
    x = 56,697,355,844,320.86/8,247,100.78
  6. Step 6: Final answer
    x = 6,874,822.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.