Home / 7,882,855.80-11,826,033.30-3,621,996.60

Finding the Fourth Proportional to 7,882,855.80, 11,826,033.30 and 3,621,996.60

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Solution

The fourth proportional to 7,882,855.80, 11,826,033.30 and 3,621,996.60 is: 5,433,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,855.80 : 11,826,033.30 = 3,621,996.60 : x
  2. Step 2: Convert to fraction form
    7,882,855.80/11,826,033.30 = 3,621,996.60/x
  3. Step 3: Cross multiply
    7,882,855.80x = 11,826,033.30 × 3,621,996.60
  4. Step 4: Simplify right side
    7,882,855.80x = 42,833,852,404,086.78
  5. Step 5: Solve for x
    x = 42,833,852,404,086.78/7,882,855.80
  6. Step 6: Final answer
    x = 5,433,798.80

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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.