Home / 8,247,099.78-11,380,478.94-4,981,981.68

Finding the Fourth Proportional to 8,247,099.78, 11,380,478.94 and 4,981,981.68

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Solution

The fourth proportional to 8,247,099.78, 11,380,478.94 and 4,981,981.68 is: 6,874,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247,099.78 : 11,380,478.94 = 4,981,981.68 : x
  2. Step 2: Convert to fraction form
    8,247,099.78/11,380,478.94 = 4,981,981.68/x
  3. Step 3: Cross multiply
    8,247,099.78x = 11,380,478.94 × 4,981,981.68
  4. Step 4: Simplify right side
    8,247,099.78x = 56,697,337,588,705.81
  5. Step 5: Solve for x
    x = 56,697,337,588,705.81/8,247,099.78
  6. Step 6: Final answer
    x = 6,874,821.34

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1.5x scale

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.