Home / 20,022,103-27,653,311.74-13,572,377.56

Finding the Fourth Proportional to 20,022,103, 27,653,311.74 and 13,572,377.56

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Solution

The fourth proportional to 20,022,103, 27,653,311.74 and 13,572,377.56 is: 18,745,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,103 : 27,653,311.74 = 13,572,377.56 : x
  2. Step 2: Convert to fraction form
    20,022,103/27,653,311.74 = 13,572,377.56/x
  3. Step 3: Cross multiply
    20,022,103x = 27,653,311.74 × 13,572,377.56
  4. Step 4: Simplify right side
    20,022,103x = 375,321,187,719,660.56
  5. Step 5: Solve for x
    x = 375,321,187,719,660.56/20,022,103
  6. Step 6: Final answer
    x = 18,745,342.97

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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.