Home / 11,631,911.78-17,439,787.84-5,151,455.75

Finding the Fourth Proportional to 11,631,911.78, 17,439,787.84 and 5,151,455.75

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Solution

The fourth proportional to 11,631,911.78, 17,439,787.84 and 5,151,455.75 is: 7,723,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631,911.78 : 17,439,787.84 = 5,151,455.75 : x
  2. Step 2: Convert to fraction form
    11,631,911.78/17,439,787.84 = 5,151,455.75/x
  3. Step 3: Cross multiply
    11,631,911.78x = 17,439,787.84 × 5,151,455.75
  4. Step 4: Simplify right side
    11,631,911.78x = 89,840,295,347,148.08
  5. Step 5: Solve for x
    x = 89,840,295,347,148.08/11,631,911.78
  6. Step 6: Final answer
    x = 7,723,605.29

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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.