Home / 10,787,179.20-16,180,768.80-2,809,003.20

Finding the Fourth Proportional to 10,787,179.20, 16,180,768.80 and 2,809,003.20

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Solution

The fourth proportional to 10,787,179.20, 16,180,768.80 and 2,809,003.20 is: 4,213,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,179.20 : 16,180,768.80 = 2,809,003.20 : x
  2. Step 2: Convert to fraction form
    10,787,179.20/16,180,768.80 = 2,809,003.20/x
  3. Step 3: Cross multiply
    10,787,179.20x = 16,180,768.80 × 2,809,003.20
  4. Step 4: Simplify right side
    10,787,179.20x = 45,451,831,337,660.16
  5. Step 5: Solve for x
    x = 45,451,831,337,660.16/10,787,179.20
  6. Step 6: Final answer
    x = 4,213,504.80

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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.