Home / 28,542,493.54-39,388,929.49-15,489,865.22

Finding the Fourth Proportional to 28,542,493.54, 39,388,929.49 and 15,489,865.22

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Solution

The fourth proportional to 28,542,493.54, 39,388,929.49 and 15,489,865.22 is: 21,376,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,493.54 : 39,388,929.49 = 15,489,865.22 : x
  2. Step 2: Convert to fraction form
    28,542,493.54/39,388,929.49 = 15,489,865.22/x
  3. Step 3: Cross multiply
    28,542,493.54x = 39,388,929.49 × 15,489,865.22
  4. Step 4: Simplify right side
    28,542,493.54x = 610,129,208,960,183.38
  5. Step 5: Solve for x
    x = 610,129,208,960,183.38/28,542,493.54
  6. Step 6: Final answer
    x = 21,376,170.52

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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.