Home / 13,081,719.62-18,052,773.12-7,281,871.50

Finding the Fourth Proportional to 13,081,719.62, 18,052,773.12 and 7,281,871.50

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Solution

The fourth proportional to 13,081,719.62, 18,052,773.12 and 7,281,871.50 is: 10,048,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,719.62 : 18,052,773.12 = 7,281,871.50 : x
  2. Step 2: Convert to fraction form
    13,081,719.62/18,052,773.12 = 7,281,871.50/x
  3. Step 3: Cross multiply
    13,081,719.62x = 18,052,773.12 × 7,281,871.50
  4. Step 4: Simplify right side
    13,081,719.62x = 131,457,974,078,494.09
  5. Step 5: Solve for x
    x = 131,457,974,078,494.09/13,081,719.62
  6. Step 6: Final answer
    x = 10,048,982.69

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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.