Home / 13,081,743.92-18,052,806.60-7,281,895.76

Finding the Fourth Proportional to 13,081,743.92, 18,052,806.60 and 7,281,895.76

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Solution

The fourth proportional to 13,081,743.92, 18,052,806.60 and 7,281,895.76 is: 10,049,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,743.92 : 18,052,806.60 = 7,281,895.76 : x
  2. Step 2: Convert to fraction form
    13,081,743.92/18,052,806.60 = 7,281,895.76/x
  3. Step 3: Cross multiply
    13,081,743.92x = 18,052,806.60 × 7,281,895.76
  4. Step 4: Simplify right side
    13,081,743.92x = 131,458,655,836,640.02
  5. Step 5: Solve for x
    x = 131,458,655,836,640.02/13,081,743.92
  6. Step 6: Final answer
    x = 10,049,016.14

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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.