Home / 21,751,287.36-30,017,546.85-11,962,489.20

Finding the Fourth Proportional to 21,751,287.36, 30,017,546.85 and 11,962,489.20

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Solution

The fourth proportional to 21,751,287.36, 30,017,546.85 and 11,962,489.20 is: 16,508,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,287.36 : 30,017,546.85 = 11,962,489.20 : x
  2. Step 2: Convert to fraction form
    21,751,287.36/30,017,546.85 = 11,962,489.20/x
  3. Step 3: Cross multiply
    21,751,287.36x = 30,017,546.85 × 11,962,489.20
  4. Step 4: Simplify right side
    21,751,287.36x = 359,084,580,003,619
  5. Step 5: Solve for x
    x = 359,084,580,003,619/21,751,287.36
  6. Step 6: Final answer
    x = 16,508,658.73

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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.