Home / 7,979,931.36-11,012,375.22-4,542,393.42

Finding the Fourth Proportional to 7,979,931.36, 11,012,375.22 and 4,542,393.42

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Solution

The fourth proportional to 7,979,931.36, 11,012,375.22 and 4,542,393.42 is: 6,268,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,931.36 : 11,012,375.22 = 4,542,393.42 : x
  2. Step 2: Convert to fraction form
    7,979,931.36/11,012,375.22 = 4,542,393.42/x
  3. Step 3: Cross multiply
    7,979,931.36x = 11,012,375.22 × 4,542,393.42
  4. Step 4: Simplify right side
    7,979,931.36x = 50,022,540,737,899.05
  5. Step 5: Solve for x
    x = 50,022,540,737,899.05/7,979,931.36
  6. Step 6: Final answer
    x = 6,268,542.73

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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.