Home / 19,781,237.86-29,669,163.25-5,206,936.82

Finding the Fourth Proportional to 19,781,237.86, 29,669,163.25 and 5,206,936.82

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Solution

The fourth proportional to 19,781,237.86, 29,669,163.25 and 5,206,936.82 is: 7,809,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,237.86 : 29,669,163.25 = 5,206,936.82 : x
  2. Step 2: Convert to fraction form
    19,781,237.86/29,669,163.25 = 5,206,936.82/x
  3. Step 3: Cross multiply
    19,781,237.86x = 29,669,163.25 × 5,206,936.82
  4. Step 4: Simplify right side
    19,781,237.86x = 154,485,458,383,652.72
  5. Step 5: Solve for x
    x = 154,485,458,383,652.72/19,781,237.86
  6. Step 6: Final answer
    x = 7,809,696.21

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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.