Home / 9,179,972.90-13,757,362.10-5,808,143.78

Finding the Fourth Proportional to 9,179,972.90, 13,757,362.10 and 5,808,143.78

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Solution

The fourth proportional to 9,179,972.90, 13,757,362.10 and 5,808,143.78 is: 8,704,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,972.90 : 13,757,362.10 = 5,808,143.78 : x
  2. Step 2: Convert to fraction form
    9,179,972.90/13,757,362.10 = 5,808,143.78/x
  3. Step 3: Cross multiply
    9,179,972.90x = 13,757,362.10 × 5,808,143.78
  4. Step 4: Simplify right side
    9,179,972.90x = 79,904,737,110,322.73
  5. Step 5: Solve for x
    x = 79,904,737,110,322.73/9,179,972.90
  6. Step 6: Final answer
    x = 8,704,245.42

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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.