Home / 18,127,022.68-25,015,806.92-9,867,617.60

Finding the Fourth Proportional to 18,127,022.68, 25,015,806.92 and 9,867,617.60

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Solution

The fourth proportional to 18,127,022.68, 25,015,806.92 and 9,867,617.60 is: 13,617,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,022.68 : 25,015,806.92 = 9,867,617.60 : x
  2. Step 2: Convert to fraction form
    18,127,022.68/25,015,806.92 = 9,867,617.60/x
  3. Step 3: Cross multiply
    18,127,022.68x = 25,015,806.92 × 9,867,617.60
  4. Step 4: Simplify right side
    18,127,022.68x = 246,846,416,641,993.81
  5. Step 5: Solve for x
    x = 246,846,416,641,993.81/18,127,022.68
  6. Step 6: Final answer
    x = 13,617,592.97

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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.