Home / 18,374,786.39-27,560,080.05-4,912,664.15

Finding the Fourth Proportional to 18,374,786.39, 27,560,080.05 and 4,912,664.15

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Solution

The fourth proportional to 18,374,786.39, 27,560,080.05 and 4,912,664.15 is: 7,368,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374,786.39 : 27,560,080.05 = 4,912,664.15 : x
  2. Step 2: Convert to fraction form
    18,374,786.39/27,560,080.05 = 4,912,664.15/x
  3. Step 3: Cross multiply
    18,374,786.39x = 27,560,080.05 × 4,912,664.15
  4. Step 4: Simplify right side
    18,374,786.39x = 135,393,417,094,964.80
  5. Step 5: Solve for x
    x = 135,393,417,094,964.80/18,374,786.39
  6. Step 6: Final answer
    x = 7,368,434.89

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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.