Home / 18,964,533.44-28,443,594.39-5,314,540.61

Finding the Fourth Proportional to 18,964,533.44, 28,443,594.39 and 5,314,540.61

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Solution

The fourth proportional to 18,964,533.44, 28,443,594.39 and 5,314,540.61 is: 7,970,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,533.44 : 28,443,594.39 = 5,314,540.61 : x
  2. Step 2: Convert to fraction form
    18,964,533.44/28,443,594.39 = 5,314,540.61/x
  3. Step 3: Cross multiply
    18,964,533.44x = 28,443,594.39 × 5,314,540.61
  4. Step 4: Simplify right side
    18,964,533.44x = 151,164,637,531,202.62
  5. Step 5: Solve for x
    x = 151,164,637,531,202.62/18,964,533.44
  6. Step 6: Final answer
    x = 7,970,912.55

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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.