Home / 28,716,698.97-39,629,167.79-15,664,242.33

Finding the Fourth Proportional to 28,716,698.97, 39,629,167.79 and 15,664,242.33

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Solution

The fourth proportional to 28,716,698.97, 39,629,167.79 and 15,664,242.33 is: 21,616,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716,698.97 : 39,629,167.79 = 15,664,242.33 : x
  2. Step 2: Convert to fraction form
    28,716,698.97/39,629,167.79 = 15,664,242.33/x
  3. Step 3: Cross multiply
    28,716,698.97x = 39,629,167.79 × 15,664,242.33
  4. Step 4: Simplify right side
    28,716,698.97x = 620,760,887,520,469.25
  5. Step 5: Solve for x
    x = 620,760,887,520,469.25/28,716,698.97
  6. Step 6: Final answer
    x = 21,616,721.62

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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.