Home / 18,115,755.18-24,999,940.38-9,855,864.42

Finding the Fourth Proportional to 18,115,755.18, 24,999,940.38 and 9,855,864.42

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Solution

The fourth proportional to 18,115,755.18, 24,999,940.38 and 9,855,864.42 is: 13,601,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115,755.18 : 24,999,940.38 = 9,855,864.42 : x
  2. Step 2: Convert to fraction form
    18,115,755.18/24,999,940.38 = 9,855,864.42/x
  3. Step 3: Cross multiply
    18,115,755.18x = 24,999,940.38 × 9,855,864.42
  4. Step 4: Simplify right side
    18,115,755.18x = 246,396,022,893,363.28
  5. Step 5: Solve for x
    x = 246,396,022,893,363.28/18,115,755.18
  6. Step 6: Final answer
    x = 13,601,200.75

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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.