Home / 11,947,706.32-16,481,865.62-7,542,890.81

Finding the Fourth Proportional to 11,947,706.32, 16,481,865.62 and 7,542,890.81

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Solution

The fourth proportional to 11,947,706.32, 16,481,865.62 and 7,542,890.81 is: 10,405,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947,706.32 : 16,481,865.62 = 7,542,890.81 : x
  2. Step 2: Convert to fraction form
    11,947,706.32/16,481,865.62 = 7,542,890.81/x
  3. Step 3: Cross multiply
    11,947,706.32x = 16,481,865.62 × 7,542,890.81
  4. Step 4: Simplify right side
    11,947,706.32x = 124,320,912,715,007.84
  5. Step 5: Solve for x
    x = 124,320,912,715,007.84/11,947,706.32
  6. Step 6: Final answer
    x = 10,405,420.87

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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.