Home / 13,081,745.05-18,052,808.16-7,281,896.92

Finding the Fourth Proportional to 13,081,745.05, 18,052,808.16 and 7,281,896.92

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Solution

The fourth proportional to 13,081,745.05, 18,052,808.16 and 7,281,896.92 is: 10,049,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,745.05 : 18,052,808.16 = 7,281,896.92 : x
  2. Step 2: Convert to fraction form
    13,081,745.05/18,052,808.16 = 7,281,896.92/x
  3. Step 3: Cross multiply
    13,081,745.05x = 18,052,808.16 × 7,281,896.92
  4. Step 4: Simplify right side
    13,081,745.05x = 131,458,688,137,654.86
  5. Step 5: Solve for x
    x = 131,458,688,137,654.86/13,081,745.05
  6. Step 6: Final answer
    x = 10,049,017.74

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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.