Home / 7,979,756.20-11,012,133.96-4,542,218.56

Finding the Fourth Proportional to 7,979,756.20, 11,012,133.96 and 4,542,218.56

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Solution

The fourth proportional to 7,979,756.20, 11,012,133.96 and 4,542,218.56 is: 6,268,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,756.20 : 11,012,133.96 = 4,542,218.56 : x
  2. Step 2: Convert to fraction form
    7,979,756.20/11,012,133.96 = 4,542,218.56/x
  3. Step 3: Cross multiply
    7,979,756.20x = 11,012,133.96 × 4,542,218.56
  4. Step 4: Simplify right side
    7,979,756.20x = 50,019,519,258,318.30
  5. Step 5: Solve for x
    x = 50,019,519,258,318.30/7,979,756.20
  6. Step 6: Final answer
    x = 6,268,301.69

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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.