Home / 6,909,471.11-10,363,833.06-2,117,174.56

Finding the Fourth Proportional to 6,909,471.11, 10,363,833.06 and 2,117,174.56

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Solution

The fourth proportional to 6,909,471.11, 10,363,833.06 and 2,117,174.56 is: 3,175,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,471.11 : 10,363,833.06 = 2,117,174.56 : x
  2. Step 2: Convert to fraction form
    6,909,471.11/10,363,833.06 = 2,117,174.56/x
  3. Step 3: Cross multiply
    6,909,471.11x = 10,363,833.06 × 2,117,174.56
  4. Step 4: Simplify right side
    6,909,471.11x = 21,942,043,664,869.97
  5. Step 5: Solve for x
    x = 21,942,043,664,869.97/6,909,471.11
  6. Step 6: Final answer
    x = 3,175,647.36

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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.