Home / 8,171,643.92-11,276,034.09-5,031,408.92

Finding the Fourth Proportional to 8,171,643.92, 11,276,034.09 and 5,031,408.92

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Solution

The fourth proportional to 8,171,643.92, 11,276,034.09 and 5,031,408.92 is: 6,942,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,643.92 : 11,276,034.09 = 5,031,408.92 : x
  2. Step 2: Convert to fraction form
    8,171,643.92/11,276,034.09 = 5,031,408.92/x
  3. Step 3: Cross multiply
    8,171,643.92x = 11,276,034.09 × 5,031,408.92
  4. Step 4: Simplify right side
    8,171,643.92x = 56,734,338,502,650.08
  5. Step 5: Solve for x
    x = 56,734,338,502,650.08/8,171,643.92
  6. Step 6: Final answer
    x = 6,942,830.48

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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.