Home / 8,213,921.94-11,335,287.51-4,542,648.78

Finding the Fourth Proportional to 8,213,921.94, 11,335,287.51 and 4,542,648.78

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Solution

The fourth proportional to 8,213,921.94, 11,335,287.51 and 4,542,648.78 is: 6,268,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,921.94 : 11,335,287.51 = 4,542,648.78 : x
  2. Step 2: Convert to fraction form
    8,213,921.94/11,335,287.51 = 4,542,648.78/x
  3. Step 3: Cross multiply
    8,213,921.94x = 11,335,287.51 × 4,542,648.78
  4. Step 4: Simplify right side
    8,213,921.94x = 51,492,229,978,250.74
  5. Step 5: Solve for x
    x = 51,492,229,978,250.74/8,213,921.94
  6. Step 6: Final answer
    x = 6,268,896.92

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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.