Home / 9,145,748.36-12,620,223.38-5,279,515.08

Finding the Fourth Proportional to 9,145,748.36, 12,620,223.38 and 5,279,515.08

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Solution

The fourth proportional to 9,145,748.36, 12,620,223.38 and 5,279,515.08 is: 7,285,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,748.36 : 12,620,223.38 = 5,279,515.08 : x
  2. Step 2: Convert to fraction form
    9,145,748.36/12,620,223.38 = 5,279,515.08/x
  3. Step 3: Cross multiply
    9,145,748.36x = 12,620,223.38 × 5,279,515.08
  4. Step 4: Simplify right side
    9,145,748.36x = 66,628,659,647,678.58
  5. Step 5: Solve for x
    x = 66,628,659,647,678.58/9,145,748.36
  6. Step 6: Final answer
    x = 7,285,205.87

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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.