Home / 13,081,739.54-18,052,800.57-7,281,891.41

Finding the Fourth Proportional to 13,081,739.54, 18,052,800.57 and 7,281,891.41

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Solution

The fourth proportional to 13,081,739.54, 18,052,800.57 and 7,281,891.41 is: 10,049,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,739.54 : 18,052,800.57 = 7,281,891.41 : x
  2. Step 2: Convert to fraction form
    13,081,739.54/18,052,800.57 = 7,281,891.41/x
  3. Step 3: Cross multiply
    13,081,739.54x = 18,052,800.57 × 7,281,891.41
  4. Step 4: Simplify right side
    13,081,739.54x = 131,458,533,306,862.11
  5. Step 5: Solve for x
    x = 131,458,533,306,862.11/13,081,739.54
  6. Step 6: Final answer
    x = 10,049,010.15

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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.