Home / 7,223,083.08-9,967,638.88-3,959,786.28

Finding the Fourth Proportional to 7,223,083.08, 9,967,638.88 and 3,959,786.28

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Solution

The fourth proportional to 7,223,083.08, 9,967,638.88 and 3,959,786.28 is: 5,464,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,083.08 : 9,967,638.88 = 3,959,786.28 : x
  2. Step 2: Convert to fraction form
    7,223,083.08/9,967,638.88 = 3,959,786.28/x
  3. Step 3: Cross multiply
    7,223,083.08x = 9,967,638.88 × 3,959,786.28
  4. Step 4: Simplify right side
    7,223,083.08x = 39,469,719,681,018.57
  5. Step 5: Solve for x
    x = 39,469,719,681,018.57/7,223,083.08
  6. Step 6: Final answer
    x = 5,464,386.78

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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.