Home / 18,654,911.37-25,732,003.12-12,843,604.04

Finding the Fourth Proportional to 18,654,911.37, 25,732,003.12 and 12,843,604.04

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Solution

The fourth proportional to 18,654,911.37, 25,732,003.12 and 12,843,604.04 is: 17,716,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,911.37 : 25,732,003.12 = 12,843,604.04 : x
  2. Step 2: Convert to fraction form
    18,654,911.37/25,732,003.12 = 12,843,604.04/x
  3. Step 3: Cross multiply
    18,654,911.37x = 25,732,003.12 × 12,843,604.04
  4. Step 4: Simplify right side
    18,654,911.37x = 330,491,659,068,555.56
  5. Step 5: Solve for x
    x = 330,491,659,068,555.56/18,654,911.37
  6. Step 6: Final answer
    x = 17,716,066.97

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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.