Home / 21,347,198.66-29,458,777.28-11,557,563.37

Finding the Fourth Proportional to 21,347,198.66, 29,458,777.28 and 11,557,563.37

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Solution

The fourth proportional to 21,347,198.66, 29,458,777.28 and 11,557,563.37 is: 15,949,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,198.66 : 29,458,777.28 = 11,557,563.37 : x
  2. Step 2: Convert to fraction form
    21,347,198.66/29,458,777.28 = 11,557,563.37/x
  3. Step 3: Cross multiply
    21,347,198.66x = 29,458,777.28 × 11,557,563.37
  4. Step 4: Simplify right side
    21,347,198.66x = 340,471,685,084,881.44
  5. Step 5: Solve for x
    x = 340,471,685,084,881.44/21,347,198.66
  6. Step 6: Final answer
    x = 15,949,244.23

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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.