Home / 6,990,540.80-10,486,184.87-2,198,603.73

Finding the Fourth Proportional to 6,990,540.80, 10,486,184.87 and 2,198,603.73

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Solution

The fourth proportional to 6,990,540.80, 10,486,184.87 and 2,198,603.73 is: 3,298,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,540.80 : 10,486,184.87 = 2,198,603.73 : x
  2. Step 2: Convert to fraction form
    6,990,540.80/10,486,184.87 = 2,198,603.73/x
  3. Step 3: Cross multiply
    6,990,540.80x = 10,486,184.87 × 2,198,603.73
  4. Step 4: Simplify right side
    6,990,540.80x = 23,054,965,159,718.64
  5. Step 5: Solve for x
    x = 23,054,965,159,718.64/6,990,540.80
  6. Step 6: Final answer
    x = 3,298,023.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.