Home / 17,220,739.24-23,764,621.43-9,485,781.56

Finding the Fourth Proportional to 17,220,739.24, 23,764,621.43 and 9,485,781.56

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Solution

The fourth proportional to 17,220,739.24, 23,764,621.43 and 9,485,781.56 is: 13,090,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220,739.24 : 23,764,621.43 = 9,485,781.56 : x
  2. Step 2: Convert to fraction form
    17,220,739.24/23,764,621.43 = 9,485,781.56/x
  3. Step 3: Cross multiply
    17,220,739.24x = 23,764,621.43 × 9,485,781.56
  4. Step 4: Simplify right side
    17,220,739.24x = 225,426,007,741,074.84
  5. Step 5: Solve for x
    x = 225,426,007,741,074.84/17,220,739.24
  6. Step 6: Final answer
    x = 13,090,379.26

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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.