Home / 18,115,756.68-24,999,942.45-9,855,865.92

Finding the Fourth Proportional to 18,115,756.68, 24,999,942.45 and 9,855,865.92

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Solution

The fourth proportional to 18,115,756.68, 24,999,942.45 and 9,855,865.92 is: 13,601,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115,756.68 : 24,999,942.45 = 9,855,865.92 : x
  2. Step 2: Convert to fraction form
    18,115,756.68/24,999,942.45 = 9,855,865.92/x
  3. Step 3: Cross multiply
    18,115,756.68x = 24,999,942.45 × 9,855,865.92
  4. Step 4: Simplify right side
    18,115,756.68x = 246,396,080,794,916.28
  5. Step 5: Solve for x
    x = 246,396,080,794,916.28/18,115,756.68
  6. Step 6: Final answer
    x = 13,601,202.82

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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.