Home / 13,081,328.98-18,052,057.78-7,280,109.18

Finding the Fourth Proportional to 13,081,328.98, 18,052,057.78 and 7,280,109.18

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Solution

The fourth proportional to 13,081,328.98, 18,052,057.78 and 7,280,109.18 is: 10,046,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,328.98 : 18,052,057.78 = 7,280,109.18 : x
  2. Step 2: Convert to fraction form
    13,081,328.98/18,052,057.78 = 7,280,109.18/x
  3. Step 3: Cross multiply
    13,081,328.98x = 18,052,057.78 × 7,280,109.18
  4. Step 4: Simplify right side
    13,081,328.98x = 131,420,951,543,868.14
  5. Step 5: Solve for x
    x = 131,420,951,543,868.14/13,081,328.98
  6. Step 6: Final answer
    x = 10,046,452.60

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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.