Home / 20,743,731-28,625,598.36-11,451,101.52

Finding the Fourth Proportional to 20,743,731, 28,625,598.36 and 11,451,101.52

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Solution

The fourth proportional to 20,743,731, 28,625,598.36 and 11,451,101.52 is: 15,802,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,731 : 28,625,598.36 = 11,451,101.52 : x
  2. Step 2: Convert to fraction form
    20,743,731/28,625,598.36 = 11,451,101.52/x
  3. Step 3: Cross multiply
    20,743,731x = 28,625,598.36 × 11,451,101.52
  4. Step 4: Simplify right side
    20,743,731x = 327,794,632,891,105.50
  5. Step 5: Solve for x
    x = 327,794,632,891,105.50/20,743,731
  6. Step 6: Final answer
    x = 15,802,105.85

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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.