Home / 18,198,538.20-27,297,807.30-14,133,014.55

Finding the Fourth Proportional to 18,198,538.20, 27,297,807.30 and 14,133,014.55

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Solution

The fourth proportional to 18,198,538.20, 27,297,807.30 and 14,133,014.55 is: 21,199,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198,538.20 : 27,297,807.30 = 14,133,014.55 : x
  2. Step 2: Convert to fraction form
    18,198,538.20/27,297,807.30 = 14,133,014.55/x
  3. Step 3: Cross multiply
    18,198,538.20x = 27,297,807.30 × 14,133,014.55
  4. Step 4: Simplify right side
    18,198,538.20x = 385,800,307,753,996.25
  5. Step 5: Solve for x
    x = 385,800,307,753,996.25/18,198,538.20
  6. Step 6: Final answer
    x = 21,199,521.83

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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.