Home / 8,171,640.35-11,276,029.17-5,031,405.35

Finding the Fourth Proportional to 8,171,640.35, 11,276,029.17 and 5,031,405.35

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Solution

The fourth proportional to 8,171,640.35, 11,276,029.17 and 5,031,405.35 is: 6,942,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,640.35 : 11,276,029.17 = 5,031,405.35 : x
  2. Step 2: Convert to fraction form
    8,171,640.35/11,276,029.17 = 5,031,405.35/x
  3. Step 3: Cross multiply
    8,171,640.35x = 11,276,029.17 × 5,031,405.35
  4. Step 4: Simplify right side
    8,171,640.35x = 56,734,273,492,694.05
  5. Step 5: Solve for x
    x = 56,734,273,492,694.05/8,171,640.35
  6. Step 6: Final answer
    x = 6,942,825.56

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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.