Home / 13,324,905.23-18,388,427.90-7,213,333.73

Finding the Fourth Proportional to 13,324,905.23, 18,388,427.90 and 7,213,333.73

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Solution

The fourth proportional to 13,324,905.23, 18,388,427.90 and 7,213,333.73 is: 9,954,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,905.23 : 18,388,427.90 = 7,213,333.73 : x
  2. Step 2: Convert to fraction form
    13,324,905.23/18,388,427.90 = 7,213,333.73/x
  3. Step 3: Cross multiply
    13,324,905.23x = 18,388,427.90 × 7,213,333.73
  4. Step 4: Simplify right side
    13,324,905.23x = 132,641,867,084,734.25
  5. Step 5: Solve for x
    x = 132,641,867,084,734.25/13,324,905.23
  6. Step 6: Final answer
    x = 9,954,432.31

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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.