Home / 10,782,969.78-16,169,046.03-3,591,975.54

Finding the Fourth Proportional to 10,782,969.78, 16,169,046.03 and 3,591,975.54

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Solution

The fourth proportional to 10,782,969.78, 16,169,046.03 and 3,591,975.54 is: 5,386,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,969.78 : 16,169,046.03 = 3,591,975.54 : x
  2. Step 2: Convert to fraction form
    10,782,969.78/16,169,046.03 = 3,591,975.54/x
  3. Step 3: Cross multiply
    10,782,969.78x = 16,169,046.03 × 3,591,975.54
  4. Step 4: Simplify right side
    10,782,969.78x = 58,078,817,844,894.10
  5. Step 5: Solve for x
    x = 58,078,817,844,894.10/10,782,969.78
  6. Step 6: Final answer
    x = 5,386,161.61

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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.