Home / 7,111,190.72-10,664,029.92-2,561,268.32

Finding the Fourth Proportional to 7,111,190.72, 10,664,029.92 and 2,561,268.32

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Solution

The fourth proportional to 7,111,190.72, 10,664,029.92 and 2,561,268.32 is: 3,840,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,190.72 : 10,664,029.92 = 2,561,268.32 : x
  2. Step 2: Convert to fraction form
    7,111,190.72/10,664,029.92 = 2,561,268.32/x
  3. Step 3: Cross multiply
    7,111,190.72x = 10,664,029.92 × 2,561,268.32
  4. Step 4: Simplify right side
    7,111,190.72x = 27,313,441,997,628.13
  5. Step 5: Solve for x
    x = 27,313,441,997,628.13/7,111,190.72
  6. Step 6: Final answer
    x = 3,840,909.78

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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.