Home / 7,209,620.36-9,949,279.22-3,946,453.70

Finding the Fourth Proportional to 7,209,620.36, 9,949,279.22 and 3,946,453.70

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Solution

The fourth proportional to 7,209,620.36, 9,949,279.22 and 3,946,453.70 is: 5,446,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,620.36 : 9,949,279.22 = 3,946,453.70 : x
  2. Step 2: Convert to fraction form
    7,209,620.36/9,949,279.22 = 3,946,453.70/x
  3. Step 3: Cross multiply
    7,209,620.36x = 9,949,279.22 × 3,946,453.70
  4. Step 4: Simplify right side
    7,209,620.36x = 39,264,369,795,243.05
  5. Step 5: Solve for x
    x = 39,264,369,795,243.05/7,209,620.36
  6. Step 6: Final answer
    x = 5,446,107.81

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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.