Home / 11,631,911.28-17,439,787.09-5,151,455.25

Finding the Fourth Proportional to 11,631,911.28, 17,439,787.09 and 5,151,455.25

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Solution

The fourth proportional to 11,631,911.28, 17,439,787.09 and 5,151,455.25 is: 7,723,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631,911.28 : 17,439,787.09 = 5,151,455.25 : x
  2. Step 2: Convert to fraction form
    11,631,911.28/17,439,787.09 = 5,151,455.25/x
  3. Step 3: Cross multiply
    11,631,911.28x = 17,439,787.09 × 5,151,455.25
  4. Step 4: Simplify right side
    11,631,911.28x = 89,840,282,737,402.44
  5. Step 5: Solve for x
    x = 89,840,282,737,402.44/11,631,911.28
  6. Step 6: Final answer
    x = 7,723,604.54

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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.