Home / 28,858,584.25-39,824,884.62-15,627,783.97

Finding the Fourth Proportional to 28,858,584.25, 39,824,884.62 and 15,627,783.97

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Solution

The fourth proportional to 28,858,584.25, 39,824,884.62 and 15,627,783.97 is: 21,566,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,584.25 : 39,824,884.62 = 15,627,783.97 : x
  2. Step 2: Convert to fraction form
    28,858,584.25/39,824,884.62 = 15,627,783.97/x
  3. Step 3: Cross multiply
    28,858,584.25x = 39,824,884.62 × 15,627,783.97
  4. Step 4: Simplify right side
    28,858,584.25x = 622,374,693,471,535.50
  5. Step 5: Solve for x
    x = 622,374,693,471,535.50/28,858,584.25
  6. Step 6: Final answer
    x = 21,566,362.65

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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.