Home / 7,171,379.56-9,896,503.92-3,952,115.56

Finding the Fourth Proportional to 7,171,379.56, 9,896,503.92 and 3,952,115.56

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Solution

The fourth proportional to 7,171,379.56, 9,896,503.92 and 3,952,115.56 is: 5,453,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,379.56 : 9,896,503.92 = 3,952,115.56 : x
  2. Step 2: Convert to fraction form
    7,171,379.56/9,896,503.92 = 3,952,115.56/x
  3. Step 3: Cross multiply
    7,171,379.56x = 9,896,503.92 × 3,952,115.56
  4. Step 4: Simplify right side
    7,171,379.56x = 39,112,127,131,832.99
  5. Step 5: Solve for x
    x = 39,112,127,131,832.99/7,171,379.56
  6. Step 6: Final answer
    x = 5,453,919.54

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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.