Home / 7,979,764.20-11,012,145-4,542,226.56

Finding the Fourth Proportional to 7,979,764.20, 11,012,145 and 4,542,226.56

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Solution

The fourth proportional to 7,979,764.20, 11,012,145 and 4,542,226.56 is: 6,268,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,764.20 : 11,012,145 = 4,542,226.56 : x
  2. Step 2: Convert to fraction form
    7,979,764.20/11,012,145 = 4,542,226.56/x
  3. Step 3: Cross multiply
    7,979,764.20x = 11,012,145 × 4,542,226.56
  4. Step 4: Simplify right side
    7,979,764.20x = 50,019,657,501,571.20
  5. Step 5: Solve for x
    x = 50,019,657,501,571.20/7,979,764.20
  6. Step 6: Final answer
    x = 6,268,312.73

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1.5x scale

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.