Home / 38,022,542.37-52,471,122.39-20,618,882.98

Finding the Fourth Proportional to 38,022,542.37, 52,471,122.39 and 20,618,882.98

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Solution

The fourth proportional to 38,022,542.37, 52,471,122.39 and 20,618,882.98 is: 28,454,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022,542.37 : 52,471,122.39 = 20,618,882.98 : x
  2. Step 2: Convert to fraction form
    38,022,542.37/52,471,122.39 = 20,618,882.98/x
  3. Step 3: Cross multiply
    38,022,542.37x = 52,471,122.39 × 20,618,882.98
  4. Step 4: Simplify right side
    38,022,542.37x = 1,081,895,932,257,490.12
  5. Step 5: Solve for x
    x = 1,081,895,932,257,490.12/38,022,542.37
  6. Step 6: Final answer
    x = 28,454,066.06

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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.