Home / 21,751,287.12-30,017,546.50-11,962,488.96

Finding the Fourth Proportional to 21,751,287.12, 30,017,546.50 and 11,962,488.96

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Solution

The fourth proportional to 21,751,287.12, 30,017,546.50 and 11,962,488.96 is: 16,508,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,287.12 : 30,017,546.50 = 11,962,488.96 : x
  2. Step 2: Convert to fraction form
    21,751,287.12/30,017,546.50 = 11,962,488.96/x
  3. Step 3: Cross multiply
    21,751,287.12x = 30,017,546.50 × 11,962,488.96
  4. Step 4: Simplify right side
    21,751,287.12x = 359,084,568,612,536.69
  5. Step 5: Solve for x
    x = 359,084,568,612,536.69/21,751,287.12
  6. Step 6: Final answer
    x = 16,508,658.39

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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.