Home / 18,354,200.67-27,531,251.73-6,839,405.91

Finding the Fourth Proportional to 18,354,200.67, 27,531,251.73 and 6,839,405.91

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Solution

The fourth proportional to 18,354,200.67, 27,531,251.73 and 6,839,405.91 is: 10,259,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354,200.67 : 27,531,251.73 = 6,839,405.91 : x
  2. Step 2: Convert to fraction form
    18,354,200.67/27,531,251.73 = 6,839,405.91/x
  3. Step 3: Cross multiply
    18,354,200.67x = 27,531,251.73 × 6,839,405.91
  4. Step 4: Simplify right side
    18,354,200.67x = 188,297,405,791,859.72
  5. Step 5: Solve for x
    x = 188,297,405,791,859.72/18,354,200.67
  6. Step 6: Final answer
    x = 10,259,090.50

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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.