Home / 20,553,496.43-28,361,757.97-11,384,426.03

Finding the Fourth Proportional to 20,553,496.43, 28,361,757.97 and 11,384,426.03

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Solution

The fourth proportional to 20,553,496.43, 28,361,757.97 and 11,384,426.03 is: 15,709,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,496.43 : 28,361,757.97 = 11,384,426.03 : x
  2. Step 2: Convert to fraction form
    20,553,496.43/28,361,757.97 = 11,384,426.03/x
  3. Step 3: Cross multiply
    20,553,496.43x = 28,361,757.97 × 11,384,426.03
  4. Step 4: Simplify right side
    20,553,496.43x = 322,882,335,690,227.94
  5. Step 5: Solve for x
    x = 322,882,335,690,227.94/20,553,496.43
  6. Step 6: Final answer
    x = 15,709,362.97

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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.