Home / 20,149,556.50-27,806,398.35-11,447,744.32

Finding the Fourth Proportional to 20,149,556.50, 27,806,398.35 and 11,447,744.32

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Solution

The fourth proportional to 20,149,556.50, 27,806,398.35 and 11,447,744.32 is: 15,797,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,556.50 : 27,806,398.35 = 11,447,744.32 : x
  2. Step 2: Convert to fraction form
    20,149,556.50/27,806,398.35 = 11,447,744.32/x
  3. Step 3: Cross multiply
    20,149,556.50x = 27,806,398.35 × 11,447,744.32
  4. Step 4: Simplify right side
    20,149,556.50x = 318,320,538,770,869.88
  5. Step 5: Solve for x
    x = 318,320,538,770,869.88/20,149,556.50
  6. Step 6: Final answer
    x = 15,797,893.06

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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.