Home / 20,113,965.87-27,760,197.79-11,294,407.23

Finding the Fourth Proportional to 20,113,965.87, 27,760,197.79 and 11,294,407.23

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Solution

The fourth proportional to 20,113,965.87, 27,760,197.79 and 11,294,407.23 is: 15,587,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113,965.87 : 27,760,197.79 = 11,294,407.23 : x
  2. Step 2: Convert to fraction form
    20,113,965.87/27,760,197.79 = 11,294,407.23/x
  3. Step 3: Cross multiply
    20,113,965.87x = 27,760,197.79 × 11,294,407.23
  4. Step 4: Simplify right side
    20,113,965.87x = 313,534,978,486,805
  5. Step 5: Solve for x
    x = 313,534,978,486,805/20,113,965.87
  6. Step 6: Final answer
    x = 15,587,924.36

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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.