Home / 9,809,860.80-13,538,786.40-5,942,268.48

Finding the Fourth Proportional to 9,809,860.80, 13,538,786.40 and 5,942,268.48

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Solution

The fourth proportional to 9,809,860.80, 13,538,786.40 and 5,942,268.48 is: 8,201,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809,860.80 : 13,538,786.40 = 5,942,268.48 : x
  2. Step 2: Convert to fraction form
    9,809,860.80/13,538,786.40 = 5,942,268.48/x
  3. Step 3: Cross multiply
    9,809,860.80x = 13,538,786.40 × 5,942,268.48
  4. Step 4: Simplify right side
    9,809,860.80x = 80,451,103,682,172.69
  5. Step 5: Solve for x
    x = 80,451,103,682,172.69/9,809,860.80
  6. Step 6: Final answer
    x = 8,201,044.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.