Home / 13,876,162.38-20,834,704.66-7,740,132.28

Finding the Fourth Proportional to 13,876,162.38, 20,834,704.66 and 7,740,132.28

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Solution

The fourth proportional to 13,876,162.38, 20,834,704.66 and 7,740,132.28 is: 11,621,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876,162.38 : 20,834,704.66 = 7,740,132.28 : x
  2. Step 2: Convert to fraction form
    13,876,162.38/20,834,704.66 = 7,740,132.28/x
  3. Step 3: Cross multiply
    13,876,162.38x = 20,834,704.66 × 7,740,132.28
  4. Step 4: Simplify right side
    13,876,162.38x = 161,263,370,083,132.44
  5. Step 5: Solve for x
    x = 161,263,370,083,132.44/13,876,162.38
  6. Step 6: Final answer
    x = 11,621,611.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.