Home / 7,670,279.44-11,509,815.24-3,120,488.56

Finding the Fourth Proportional to 7,670,279.44, 11,509,815.24 and 3,120,488.56

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Solution

The fourth proportional to 7,670,279.44, 11,509,815.24 and 3,120,488.56 is: 4,682,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,279.44 : 11,509,815.24 = 3,120,488.56 : x
  2. Step 2: Convert to fraction form
    7,670,279.44/11,509,815.24 = 3,120,488.56/x
  3. Step 3: Cross multiply
    7,670,279.44x = 11,509,815.24 × 3,120,488.56
  4. Step 4: Simplify right side
    7,670,279.44x = 35,916,246,784,133.66
  5. Step 5: Solve for x
    x = 35,916,246,784,133.66/7,670,279.44
  6. Step 6: Final answer
    x = 4,682,521.29

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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.