Home / 21,595,705.44-29,802,067.92-11,806,190.88

Finding the Fourth Proportional to 21,595,705.44, 29,802,067.92 and 11,806,190.88

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Solution

The fourth proportional to 21,595,705.44, 29,802,067.92 and 11,806,190.88 is: 16,292,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,705.44 : 29,802,067.92 = 11,806,190.88 : x
  2. Step 2: Convert to fraction form
    21,595,705.44/29,802,067.92 = 11,806,190.88/x
  3. Step 3: Cross multiply
    21,595,705.44x = 29,802,067.92 × 11,806,190.88
  4. Step 4: Simplify right side
    21,595,705.44x = 351,848,902,482,244.62
  5. Step 5: Solve for x
    x = 351,848,902,482,244.62/21,595,705.44
  6. Step 6: Final answer
    x = 16,292,540.36

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1.5x scale

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.