Home / 18,620,399.37-25,695,747.68-10,780,241.97

Finding the Fourth Proportional to 18,620,399.37, 25,695,747.68 and 10,780,241.97

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Solution

The fourth proportional to 18,620,399.37, 25,695,747.68 and 10,780,241.97 is: 14,876,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,399.37 : 25,695,747.68 = 10,780,241.97 : x
  2. Step 2: Convert to fraction form
    18,620,399.37/25,695,747.68 = 10,780,241.97/x
  3. Step 3: Cross multiply
    18,620,399.37x = 25,695,747.68 × 10,780,241.97
  4. Step 4: Simplify right side
    18,620,399.37x = 277,006,377,536,564.94
  5. Step 5: Solve for x
    x = 277,006,377,536,564.94/18,620,399.37
  6. Step 6: Final answer
    x = 14,876,500.34

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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.