Home / 18,268,910.49-25,204,889.11-10,422,786.24

Finding the Fourth Proportional to 18,268,910.49, 25,204,889.11 and 10,422,786.24

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Solution

The fourth proportional to 18,268,910.49, 25,204,889.11 and 10,422,786.24 is: 14,379,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268,910.49 : 25,204,889.11 = 10,422,786.24 : x
  2. Step 2: Convert to fraction form
    18,268,910.49/25,204,889.11 = 10,422,786.24/x
  3. Step 3: Cross multiply
    18,268,910.49x = 25,204,889.11 × 10,422,786.24
  4. Step 4: Simplify right side
    18,268,910.49x = 262,705,171,396,433.84
  5. Step 5: Solve for x
    x = 262,705,171,396,433.84/18,268,910.49
  6. Step 6: Final answer
    x = 14,379,903.58

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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.