Home / 38,845,534.87-53,606,843.45-21,441,883.78

Finding the Fourth Proportional to 38,845,534.87, 53,606,843.45 and 21,441,883.78

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Solution

The fourth proportional to 38,845,534.87, 53,606,843.45 and 21,441,883.78 is: 29,589,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,534.87 : 53,606,843.45 = 21,441,883.78 : x
  2. Step 2: Convert to fraction form
    38,845,534.87/53,606,843.45 = 21,441,883.78/x
  3. Step 3: Cross multiply
    38,845,534.87x = 53,606,843.45 × 21,441,883.78
  4. Step 4: Simplify right side
    38,845,534.87x = 1,149,431,707,067,554.25
  5. Step 5: Solve for x
    x = 1,149,431,707,067,554.25/38,845,534.87
  6. Step 6: Final answer
    x = 29,589,802.56

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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.