Home / 21,993,126.42-32,988,616.62-8,162,776.24

Finding the Fourth Proportional to 21,993,126.42, 32,988,616.62 and 8,162,776.24

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Solution

The fourth proportional to 21,993,126.42, 32,988,616.62 and 8,162,776.24 is: 12,243,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,126.42 : 32,988,616.62 = 8,162,776.24 : x
  2. Step 2: Convert to fraction form
    21,993,126.42/32,988,616.62 = 8,162,776.24/x
  3. Step 3: Cross multiply
    21,993,126.42x = 32,988,616.62 × 8,162,776.24
  4. Step 4: Simplify right side
    21,993,126.42x = 269,278,695,936,205.12
  5. Step 5: Solve for x
    x = 269,278,695,936,205.12/21,993,126.42
  6. Step 6: Final answer
    x = 12,243,766.11

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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.