Home / 7,171,379.25-9,896,503.64-3,952,115.25

Finding the Fourth Proportional to 7,171,379.25, 9,896,503.64 and 3,952,115.25

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Solution

The fourth proportional to 7,171,379.25, 9,896,503.64 and 3,952,115.25 is: 5,453,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,379.25 : 9,896,503.64 = 3,952,115.25 : x
  2. Step 2: Convert to fraction form
    7,171,379.25/9,896,503.64 = 3,952,115.25/x
  3. Step 3: Cross multiply
    7,171,379.25x = 9,896,503.64 × 3,952,115.25
  4. Step 4: Simplify right side
    7,171,379.25x = 39,112,122,937,563.93
  5. Step 5: Solve for x
    x = 39,112,122,937,563.93/7,171,379.25
  6. Step 6: Final answer
    x = 5,453,919.19

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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.