Home / 28,585,486.82-39,448,221.71-15,532,745.69

Finding the Fourth Proportional to 28,585,486.82, 39,448,221.71 and 15,532,745.69

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Solution

The fourth proportional to 28,585,486.82, 39,448,221.71 and 15,532,745.69 is: 21,435,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,486.82 : 39,448,221.71 = 15,532,745.69 : x
  2. Step 2: Convert to fraction form
    28,585,486.82/39,448,221.71 = 15,532,745.69/x
  3. Step 3: Cross multiply
    28,585,486.82x = 39,448,221.71 × 15,532,745.69
  4. Step 4: Simplify right side
    28,585,486.82x = 612,739,195,469,262.12
  5. Step 5: Solve for x
    x = 612,739,195,469,262.12/28,585,486.82
  6. Step 6: Final answer
    x = 21,435,324.84

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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.