Home / 21,517,913.67-32,284,578.33-9,216,716.64

Finding the Fourth Proportional to 21,517,913.67, 32,284,578.33 and 9,216,716.64

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Solution

The fourth proportional to 21,517,913.67, 32,284,578.33 and 9,216,716.64 is: 13,828,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,913.67 : 32,284,578.33 = 9,216,716.64 : x
  2. Step 2: Convert to fraction form
    21,517,913.67/32,284,578.33 = 9,216,716.64/x
  3. Step 3: Cross multiply
    21,517,913.67x = 32,284,578.33 × 9,216,716.64
  4. Step 4: Simplify right side
    21,517,913.67x = 297,557,810,309,494.44
  5. Step 5: Solve for x
    x = 297,557,810,309,494.44/21,517,913.67
  6. Step 6: Final answer
    x = 13,828,376.43

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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.