Home / 25,479,327.20-35,164,939.05-15,028,299.36

Finding the Fourth Proportional to 25,479,327.20, 35,164,939.05 and 15,028,299.36

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Solution

The fourth proportional to 25,479,327.20, 35,164,939.05 and 15,028,299.36 is: 20,741,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479,327.20 : 35,164,939.05 = 15,028,299.36 : x
  2. Step 2: Convert to fraction form
    25,479,327.20/35,164,939.05 = 15,028,299.36/x
  3. Step 3: Cross multiply
    25,479,327.20x = 35,164,939.05 × 15,028,299.36
  4. Step 4: Simplify right side
    25,479,327.20x = 528,469,231,019,553.94
  5. Step 5: Solve for x
    x = 528,469,231,019,553.94/25,479,327.20
  6. Step 6: Final answer
    x = 20,741,098.34

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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.