Home / 28,716,701.22-39,629,170.89-15,664,244.58

Finding the Fourth Proportional to 28,716,701.22, 39,629,170.89 and 15,664,244.58

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Solution

The fourth proportional to 28,716,701.22, 39,629,170.89 and 15,664,244.58 is: 21,616,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716,701.22 : 39,629,170.89 = 15,664,244.58 : x
  2. Step 2: Convert to fraction form
    28,716,701.22/39,629,170.89 = 15,664,244.58/x
  3. Step 3: Cross multiply
    28,716,701.22x = 39,629,170.89 × 15,664,244.58
  4. Step 4: Simplify right side
    28,716,701.22x = 620,761,025,323,576.25
  5. Step 5: Solve for x
    x = 620,761,025,323,576.25/28,716,701.22
  6. Step 6: Final answer
    x = 21,616,724.73

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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.