Home / 15,719,791.85-21,693,090.53-8,844,257.51

Finding the Fourth Proportional to 15,719,791.85, 21,693,090.53 and 8,844,257.51

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Solution

The fourth proportional to 15,719,791.85, 21,693,090.53 and 8,844,257.51 is: 12,204,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,791.85 : 21,693,090.53 = 8,844,257.51 : x
  2. Step 2: Convert to fraction form
    15,719,791.85/21,693,090.53 = 8,844,257.51/x
  3. Step 3: Cross multiply
    15,719,791.85x = 21,693,090.53 × 8,844,257.51
  4. Step 4: Simplify right side
    15,719,791.85x = 191,859,278,790,841.06
  5. Step 5: Solve for x
    x = 191,859,278,790,841.06/15,719,791.85
  6. Step 6: Final answer
    x = 12,204,950.33

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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.