Home / 9,378,542.72-12,942,389.04-5,304,074.24

Finding the Fourth Proportional to 9,378,542.72, 12,942,389.04 and 5,304,074.24

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Solution

The fourth proportional to 9,378,542.72, 12,942,389.04 and 5,304,074.24 is: 7,319,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,542.72 : 12,942,389.04 = 5,304,074.24 : x
  2. Step 2: Convert to fraction form
    9,378,542.72/12,942,389.04 = 5,304,074.24/x
  3. Step 3: Cross multiply
    9,378,542.72x = 12,942,389.04 × 5,304,074.24
  4. Step 4: Simplify right side
    9,378,542.72x = 68,647,392,311,122.33
  5. Step 5: Solve for x
    x = 68,647,392,311,122.33/9,378,542.72
  6. Step 6: Final answer
    x = 7,319,622.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.