Home / 7,143,227.27-9,858,471.40-4,004,338.72

Finding the Fourth Proportional to 7,143,227.27, 9,858,471.40 and 4,004,338.72

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Solution

The fourth proportional to 7,143,227.27, 9,858,471.40 and 4,004,338.72 is: 5,526,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,227.27 : 9,858,471.40 = 4,004,338.72 : x
  2. Step 2: Convert to fraction form
    7,143,227.27/9,858,471.40 = 4,004,338.72/x
  3. Step 3: Cross multiply
    7,143,227.27x = 9,858,471.40 × 4,004,338.72
  4. Step 4: Simplify right side
    7,143,227.27x = 39,476,658,747,032.61
  5. Step 5: Solve for x
    x = 39,476,658,747,032.61/7,143,227.27
  6. Step 6: Final answer
    x = 5,526,445.86

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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.