Home / 17,978,521.44-26,968,569.66-5,200,317.84

Finding the Fourth Proportional to 17,978,521.44, 26,968,569.66 and 5,200,317.84

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Solution

The fourth proportional to 17,978,521.44, 26,968,569.66 and 5,200,317.84 is: 7,800,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,978,521.44 : 26,968,569.66 = 5,200,317.84 : x
  2. Step 2: Convert to fraction form
    17,978,521.44/26,968,569.66 = 5,200,317.84/x
  3. Step 3: Cross multiply
    17,978,521.44x = 26,968,569.66 × 5,200,317.84
  4. Step 4: Simplify right side
    17,978,521.44x = 140,245,133,922,180.73
  5. Step 5: Solve for x
    x = 140,245,133,922,180.73/17,978,521.44
  6. Step 6: Final answer
    x = 7,800,704.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.