Home / 15,289,857.37-21,100,006.64-8,414,339.43

Finding the Fourth Proportional to 15,289,857.37, 21,100,006.64 and 8,414,339.43

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Solution

The fourth proportional to 15,289,857.37, 21,100,006.64 and 8,414,339.43 is: 11,611,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,857.37 : 21,100,006.64 = 8,414,339.43 : x
  2. Step 2: Convert to fraction form
    15,289,857.37/21,100,006.64 = 8,414,339.43/x
  3. Step 3: Cross multiply
    15,289,857.37x = 21,100,006.64 × 8,414,339.43
  4. Step 4: Simplify right side
    15,289,857.37x = 177,542,617,865,249.66
  5. Step 5: Solve for x
    x = 177,542,617,865,249.66/15,289,857.37
  6. Step 6: Final answer
    x = 11,611,790.33

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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.