Home / 20,188,223.56-27,859,861.86-11,486,395.96

Finding the Fourth Proportional to 20,188,223.56, 27,859,861.86 and 11,486,395.96

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Solution

The fourth proportional to 20,188,223.56, 27,859,861.86 and 11,486,395.96 is: 15,851,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,223.56 : 27,859,861.86 = 11,486,395.96 : x
  2. Step 2: Convert to fraction form
    20,188,223.56/27,859,861.86 = 11,486,395.96/x
  3. Step 3: Cross multiply
    20,188,223.56x = 27,859,861.86 × 11,486,395.96
  4. Step 4: Simplify right side
    20,188,223.56x = 320,009,404,714,862.12
  5. Step 5: Solve for x
    x = 320,009,404,714,862.12/20,188,223.56
  6. Step 6: Final answer
    x = 15,851,290.92

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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.