Home / 13,324,903.10-18,388,424.96-7,213,331.60

Finding the Fourth Proportional to 13,324,903.10, 18,388,424.96 and 7,213,331.60

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Solution

The fourth proportional to 13,324,903.10, 18,388,424.96 and 7,213,331.60 is: 9,954,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,903.10 : 18,388,424.96 = 7,213,331.60 : x
  2. Step 2: Convert to fraction form
    13,324,903.10/18,388,424.96 = 7,213,331.60/x
  3. Step 3: Cross multiply
    13,324,903.10x = 18,388,424.96 × 7,213,331.60
  4. Step 4: Simplify right side
    13,324,903.10x = 132,641,806,856,230.05
  5. Step 5: Solve for x
    x = 132,641,806,856,230.05/13,324,903.10
  6. Step 6: Final answer
    x = 9,954,429.38

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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.