Home / 20,149,519.61-27,806,347.37-11,447,707.43

Finding the Fourth Proportional to 20,149,519.61, 27,806,347.37 and 11,447,707.43

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Solution

The fourth proportional to 20,149,519.61, 27,806,347.37 and 11,447,707.43 is: 15,797,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,519.61 : 27,806,347.37 = 11,447,707.43 : x
  2. Step 2: Convert to fraction form
    20,149,519.61/27,806,347.37 = 11,447,707.43/x
  3. Step 3: Cross multiply
    20,149,519.61x = 27,806,347.37 × 11,447,707.43
  4. Step 4: Simplify right side
    20,149,519.61x = 318,318,929,388,709.94
  5. Step 5: Solve for x
    x = 318,318,929,388,709.94/20,149,519.61
  6. Step 6: Final answer
    x = 15,797,842.11

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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.