Home / 18,109,942.80-27,166,226.40-10,905,964.80

Finding the Fourth Proportional to 18,109,942.80, 27,166,226.40 and 10,905,964.80

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Solution

The fourth proportional to 18,109,942.80, 27,166,226.40 and 10,905,964.80 is: 16,359,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,942.80 : 27,166,226.40 = 10,905,964.80 : x
  2. Step 2: Convert to fraction form
    18,109,942.80/27,166,226.40 = 10,905,964.80/x
  3. Step 3: Cross multiply
    18,109,942.80x = 27,166,226.40 × 10,905,964.80
  4. Step 4: Simplify right side
    18,109,942.80x = 296,273,908,867,230.75
  5. Step 5: Solve for x
    x = 296,273,908,867,230.75/18,109,942.80
  6. Step 6: Final answer
    x = 16,359,737.42

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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.