Home / 7,223,163.18-9,967,962.72-3,959,907.90

Finding the Fourth Proportional to 7,223,163.18, 9,967,962.72 and 3,959,907.90

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Solution

The fourth proportional to 7,223,163.18, 9,967,962.72 and 3,959,907.90 is: 5,464,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,163.18 : 9,967,962.72 = 3,959,907.90 : x
  2. Step 2: Convert to fraction form
    7,223,163.18/9,967,962.72 = 3,959,907.90/x
  3. Step 3: Cross multiply
    7,223,163.18x = 9,967,962.72 × 3,959,907.90
  4. Step 4: Simplify right side
    7,223,163.18x = 39,472,214,321,833.49
  5. Step 5: Solve for x
    x = 39,472,214,321,833.49/7,223,163.18
  6. Step 6: Final answer
    x = 5,464,671.55

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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.