Home / 6,821,067.71-9,412,742.70-3,880,607.94

Finding the Fourth Proportional to 6,821,067.71, 9,412,742.70 and 3,880,607.94

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Solution

The fourth proportional to 6,821,067.71, 9,412,742.70 and 3,880,607.94 is: 5,355,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,067.71 : 9,412,742.70 = 3,880,607.94 : x
  2. Step 2: Convert to fraction form
    6,821,067.71/9,412,742.70 = 3,880,607.94/x
  3. Step 3: Cross multiply
    6,821,067.71x = 9,412,742.70 × 3,880,607.94
  4. Step 4: Simplify right side
    6,821,067.71x = 36,527,164,058,797.03
  5. Step 5: Solve for x
    x = 36,527,164,058,797.03/6,821,067.71
  6. Step 6: Final answer
    x = 5,355,050.79

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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.