Home / 6,619,991-9,135,869.80-3,719,387.48

Finding the Fourth Proportional to 6,619,991, 9,135,869.80 and 3,719,387.48

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Solution

The fourth proportional to 6,619,991, 9,135,869.80 and 3,719,387.48 is: 5,132,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,991 : 9,135,869.80 = 3,719,387.48 : x
  2. Step 2: Convert to fraction form
    6,619,991/9,135,869.80 = 3,719,387.48/x
  3. Step 3: Cross multiply
    6,619,991x = 9,135,869.80 × 3,719,387.48
  4. Step 4: Simplify right side
    6,619,991x = 33,979,839,753,030.11
  5. Step 5: Solve for x
    x = 33,979,839,753,030.11/6,619,991
  6. Step 6: Final answer
    x = 5,132,913.29

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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.