Home / 28,458,954.33-39,273,348.69-15,406,203.56

Finding the Fourth Proportional to 28,458,954.33, 39,273,348.69 and 15,406,203.56

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Solution

The fourth proportional to 28,458,954.33, 39,273,348.69 and 15,406,203.56 is: 21,260,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,954.33 : 39,273,348.69 = 15,406,203.56 : x
  2. Step 2: Convert to fraction form
    28,458,954.33/39,273,348.69 = 15,406,203.56/x
  3. Step 3: Cross multiply
    28,458,954.33x = 39,273,348.69 × 15,406,203.56
  4. Step 4: Simplify right side
    28,458,954.33x = 605,053,204,204,632.50
  5. Step 5: Solve for x
    x = 605,053,204,204,632.50/28,458,954.33
  6. Step 6: Final answer
    x = 21,260,556.42

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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.