Home / 21,408,759.06-29,544,300.21-11,619,290.22

Finding the Fourth Proportional to 21,408,759.06, 29,544,300.21 and 11,619,290.22

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Solution

The fourth proportional to 21,408,759.06, 29,544,300.21 and 11,619,290.22 is: 16,034,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408,759.06 : 29,544,300.21 = 11,619,290.22 : x
  2. Step 2: Convert to fraction form
    21,408,759.06/29,544,300.21 = 11,619,290.22/x
  3. Step 3: Cross multiply
    21,408,759.06x = 29,544,300.21 × 11,619,290.22
  4. Step 4: Simplify right side
    21,408,759.06x = 343,283,798,486,797
  5. Step 5: Solve for x
    x = 343,283,798,486,797/21,408,759.06
  6. Step 6: Final answer
    x = 16,034,735.95

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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.