Home / 21,717,126.87-32,568,456.66-8,759,930.95

Finding the Fourth Proportional to 21,717,126.87, 32,568,456.66 and 8,759,930.95

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Solution

The fourth proportional to 21,717,126.87, 32,568,456.66 and 8,759,930.95 is: 13,136,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717,126.87 : 32,568,456.66 = 8,759,930.95 : x
  2. Step 2: Convert to fraction form
    21,717,126.87/32,568,456.66 = 8,759,930.95/x
  3. Step 3: Cross multiply
    21,717,126.87x = 32,568,456.66 × 8,759,930.95
  4. Step 4: Simplify right side
    21,717,126.87x = 285,297,431,489,667.62
  5. Step 5: Solve for x
    x = 285,297,431,489,667.62/21,717,126.87
  6. Step 6: Final answer
    x = 13,136,978.63

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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.