Home / 7,481,133.63-11,222,172.90-3,162,378.57

Finding the Fourth Proportional to 7,481,133.63, 11,222,172.90 and 3,162,378.57

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Solution

The fourth proportional to 7,481,133.63, 11,222,172.90 and 3,162,378.57 is: 4,743,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481,133.63 : 11,222,172.90 = 3,162,378.57 : x
  2. Step 2: Convert to fraction form
    7,481,133.63/11,222,172.90 = 3,162,378.57/x
  3. Step 3: Cross multiply
    7,481,133.63x = 11,222,172.90 × 3,162,378.57
  4. Step 4: Simplify right side
    7,481,133.63x = 35,488,759,087,794.75
  5. Step 5: Solve for x
    x = 35,488,759,087,794.75/7,481,133.63
  6. Step 6: Final answer
    x = 4,743,767.57

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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.