Home / 13,081,739.92-18,052,801.07-7,281,891.77

Finding the Fourth Proportional to 13,081,739.92, 18,052,801.07 and 7,281,891.77

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Solution

The fourth proportional to 13,081,739.92, 18,052,801.07 and 7,281,891.77 is: 10,049,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,739.92 : 18,052,801.07 = 7,281,891.77 : x
  2. Step 2: Convert to fraction form
    13,081,739.92/18,052,801.07 = 7,281,891.77/x
  3. Step 3: Cross multiply
    13,081,739.92x = 18,052,801.07 × 7,281,891.77
  4. Step 4: Simplify right side
    13,081,739.92x = 131,458,543,410,406.73
  5. Step 5: Solve for x
    x = 131,458,543,410,406.73/13,081,739.92
  6. Step 6: Final answer
    x = 10,049,010.62

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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.