Home / 9,509,286.87-13,122,814.77-5,379,229.49

Finding the Fourth Proportional to 9,509,286.87, 13,122,814.77 and 5,379,229.49

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Solution

The fourth proportional to 9,509,286.87, 13,122,814.77 and 5,379,229.49 is: 7,423,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509,286.87 : 13,122,814.77 = 5,379,229.49 : x
  2. Step 2: Convert to fraction form
    9,509,286.87/13,122,814.77 = 5,379,229.49/x
  3. Step 3: Cross multiply
    9,509,286.87x = 13,122,814.77 × 5,379,229.49
  4. Step 4: Simplify right side
    9,509,286.87x = 70,590,632,136,977.50
  5. Step 5: Solve for x
    x = 70,590,632,136,977.50/9,509,286.87
  6. Step 6: Final answer
    x = 7,423,336.06

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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.