Home / 18,268,915.50-25,204,896-10,422,791.22

Finding the Fourth Proportional to 18,268,915.50, 25,204,896 and 10,422,791.22

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Solution

The fourth proportional to 18,268,915.50, 25,204,896 and 10,422,791.22 is: 14,379,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268,915.50 : 25,204,896 = 10,422,791.22 : x
  2. Step 2: Convert to fraction form
    18,268,915.50/25,204,896 = 10,422,791.22/x
  3. Step 3: Cross multiply
    18,268,915.50x = 25,204,896 × 10,422,791.22
  4. Step 4: Simplify right side
    18,268,915.50x = 262,705,368,729,813.12
  5. Step 5: Solve for x
    x = 262,705,368,729,813.12/18,268,915.50
  6. Step 6: Final answer
    x = 14,379,910.44

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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.