Home / 7,992,621.80-11,027,300.21-4,891,912.68

Finding the Fourth Proportional to 7,992,621.80, 11,027,300.21 and 4,891,912.68

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Solution

The fourth proportional to 7,992,621.80, 11,027,300.21 and 4,891,912.68 is: 6,749,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,621.80 : 11,027,300.21 = 4,891,912.68 : x
  2. Step 2: Convert to fraction form
    7,992,621.80/11,027,300.21 = 4,891,912.68/x
  3. Step 3: Cross multiply
    7,992,621.80x = 11,027,300.21 × 4,891,912.68
  4. Step 4: Simplify right side
    7,992,621.80x = 53,944,589,723,465.66
  5. Step 5: Solve for x
    x = 53,944,589,723,465.66/7,992,621.80
  6. Step 6: Final answer
    x = 6,749,298.42

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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.