Home / 12,155,414.14-16,758,056.13-7,796,933.92

Finding the Fourth Proportional to 12,155,414.14, 16,758,056.13 and 7,796,933.92

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Solution

The fourth proportional to 12,155,414.14, 16,758,056.13 and 7,796,933.92 is: 10,749,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,414.14 : 16,758,056.13 = 7,796,933.92 : x
  2. Step 2: Convert to fraction form
    12,155,414.14/16,758,056.13 = 7,796,933.92/x
  3. Step 3: Cross multiply
    12,155,414.14x = 16,758,056.13 × 7,796,933.92
  4. Step 4: Simplify right side
    12,155,414.14x = 130,661,456,273,260.94
  5. Step 5: Solve for x
    x = 130,661,456,273,260.94/12,155,414.14
  6. Step 6: Final answer
    x = 10,749,239.37

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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.