Home / 19,275,147.54-28,901,072.84-9,042,251.22

Finding the Fourth Proportional to 19,275,147.54, 28,901,072.84 and 9,042,251.22

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Solution

The fourth proportional to 19,275,147.54, 28,901,072.84 and 9,042,251.22 is: 13,557,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275,147.54 : 28,901,072.84 = 9,042,251.22 : x
  2. Step 2: Convert to fraction form
    19,275,147.54/28,901,072.84 = 9,042,251.22/x
  3. Step 3: Cross multiply
    19,275,147.54x = 28,901,072.84 × 9,042,251.22
  4. Step 4: Simplify right side
    19,275,147.54x = 261,330,761,101,587.62
  5. Step 5: Solve for x
    x = 261,330,761,101,587.62/19,275,147.54
  6. Step 6: Final answer
    x = 13,557,912.36

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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.