Home / 6,921,388.73-9,551,227.37-3,980,982.21

Finding the Fourth Proportional to 6,921,388.73, 9,551,227.37 and 3,980,982.21

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Solution

The fourth proportional to 6,921,388.73, 9,551,227.37 and 3,980,982.21 is: 5,493,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,388.73 : 9,551,227.37 = 3,980,982.21 : x
  2. Step 2: Convert to fraction form
    6,921,388.73/9,551,227.37 = 3,980,982.21/x
  3. Step 3: Cross multiply
    6,921,388.73x = 9,551,227.37 × 3,980,982.21
  4. Step 4: Simplify right side
    6,921,388.73x = 38,023,266,223,730.18
  5. Step 5: Solve for x
    x = 38,023,266,223,730.18/6,921,388.73
  6. Step 6: Final answer
    x = 5,493,589.18

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Double scale
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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.