Home / 7,182,622.62-10,771,940.52-1,994,040.18

Finding the Fourth Proportional to 7,182,622.62, 10,771,940.52 and 1,994,040.18

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Solution

The fourth proportional to 7,182,622.62, 10,771,940.52 and 1,994,040.18 is: 2,990,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,622.62 : 10,771,940.52 = 1,994,040.18 : x
  2. Step 2: Convert to fraction form
    7,182,622.62/10,771,940.52 = 1,994,040.18/x
  3. Step 3: Cross multiply
    7,182,622.62x = 10,771,940.52 × 1,994,040.18
  4. Step 4: Simplify right side
    7,182,622.62x = 21,479,682,213,450.09
  5. Step 5: Solve for x
    x = 21,479,682,213,450.09/7,182,622.62
  6. Step 6: Final answer
    x = 2,990,506.86

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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.