Home / 22,510,738.44-31,066,395.60-12,722,087.28

Finding the Fourth Proportional to 22,510,738.44, 31,066,395.60 and 12,722,087.28

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Solution

The fourth proportional to 22,510,738.44, 31,066,395.60 and 12,722,087.28 is: 17,557,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510,738.44 : 31,066,395.60 = 12,722,087.28 : x
  2. Step 2: Convert to fraction form
    22,510,738.44/31,066,395.60 = 12,722,087.28/x
  3. Step 3: Cross multiply
    22,510,738.44x = 31,066,395.60 × 12,722,087.28
  4. Step 4: Simplify right side
    22,510,738.44x = 395,229,396,298,207.94
  5. Step 5: Solve for x
    x = 395,229,396,298,207.94/22,510,738.44
  6. Step 6: Final answer
    x = 17,557,371.45

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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.