Home / 12,356,025.20-18,534,037.80-3,258,105.20

Finding the Fourth Proportional to 12,356,025.20, 18,534,037.80 and 3,258,105.20

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Solution

The fourth proportional to 12,356,025.20, 18,534,037.80 and 3,258,105.20 is: 4,887,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,025.20 : 18,534,037.80 = 3,258,105.20 : x
  2. Step 2: Convert to fraction form
    12,356,025.20/18,534,037.80 = 3,258,105.20/x
  3. Step 3: Cross multiply
    12,356,025.20x = 18,534,037.80 × 3,258,105.20
  4. Step 4: Simplify right side
    12,356,025.20x = 60,385,844,933,176.56
  5. Step 5: Solve for x
    x = 60,385,844,933,176.56/12,356,025.20
  6. Step 6: Final answer
    x = 4,887,157.80

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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.