Home / 7,816,745.76-11,725,123.36-2,136,542.88

Finding the Fourth Proportional to 7,816,745.76, 11,725,123.36 and 2,136,542.88

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Solution

The fourth proportional to 7,816,745.76, 11,725,123.36 and 2,136,542.88 is: 3,204,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816,745.76 : 11,725,123.36 = 2,136,542.88 : x
  2. Step 2: Convert to fraction form
    7,816,745.76/11,725,123.36 = 2,136,542.88/x
  3. Step 3: Cross multiply
    7,816,745.76x = 11,725,123.36 × 2,136,542.88
  4. Step 4: Simplify right side
    7,816,745.76x = 25,051,228,831,929.68
  5. Step 5: Solve for x
    x = 25,051,228,831,929.68/7,816,745.76
  6. Step 6: Final answer
    x = 3,204,815.61

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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.