Home / 7,290,396.68-10,060,840.86-4,027,198.28

Finding the Fourth Proportional to 7,290,396.68, 10,060,840.86 and 4,027,198.28

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Solution

The fourth proportional to 7,290,396.68, 10,060,840.86 and 4,027,198.28 is: 5,557,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,396.68 : 10,060,840.86 = 4,027,198.28 : x
  2. Step 2: Convert to fraction form
    7,290,396.68/10,060,840.86 = 4,027,198.28/x
  3. Step 3: Cross multiply
    7,290,396.68x = 10,060,840.86 × 4,027,198.28
  4. Step 4: Simplify right side
    7,290,396.68x = 40,517,001,006,745.72
  5. Step 5: Solve for x
    x = 40,517,001,006,745.72/7,290,396.68
  6. Step 6: Final answer
    x = 5,557,585.24

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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.