Home / 18,650,884.74-27,982,679.46-11,378,903.04

Finding the Fourth Proportional to 18,650,884.74, 27,982,679.46 and 11,378,903.04

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Solution

The fourth proportional to 18,650,884.74, 27,982,679.46 and 11,378,903.04 is: 17,072,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,884.74 : 27,982,679.46 = 11,378,903.04 : x
  2. Step 2: Convert to fraction form
    18,650,884.74/27,982,679.46 = 11,378,903.04/x
  3. Step 3: Cross multiply
    18,650,884.74x = 27,982,679.46 × 11,378,903.04
  4. Step 4: Simplify right side
    18,650,884.74x = 318,412,196,374,739.56
  5. Step 5: Solve for x
    x = 318,412,196,374,739.56/18,650,884.74
  6. Step 6: Final answer
    x = 17,072,230.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.