Home / 18,115,756.43-24,999,942.11-9,855,865.67

Finding the Fourth Proportional to 18,115,756.43, 24,999,942.11 and 9,855,865.67

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Solution

The fourth proportional to 18,115,756.43, 24,999,942.11 and 9,855,865.67 is: 13,601,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115,756.43 : 24,999,942.11 = 9,855,865.67 : x
  2. Step 2: Convert to fraction form
    18,115,756.43/24,999,942.11 = 9,855,865.67/x
  3. Step 3: Cross multiply
    18,115,756.43x = 24,999,942.11 × 9,855,865.67
  4. Step 4: Simplify right side
    18,115,756.43x = 246,396,071,144,657.03
  5. Step 5: Solve for x
    x = 246,396,071,144,657.03/18,115,756.43
  6. Step 6: Final answer
    x = 13,601,202.47

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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.