Home / 12,163,105.68-16,777,788.03-8,033,144.91

Finding the Fourth Proportional to 12,163,105.68, 16,777,788.03 and 8,033,144.91

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Solution

The fourth proportional to 12,163,105.68, 16,777,788.03 and 8,033,144.91 is: 11,080,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163,105.68 : 16,777,788.03 = 8,033,144.91 : x
  2. Step 2: Convert to fraction form
    12,163,105.68/16,777,788.03 = 8,033,144.91/x
  3. Step 3: Cross multiply
    12,163,105.68x = 16,777,788.03 × 8,033,144.91
  4. Step 4: Simplify right side
    12,163,105.68x = 134,778,402,514,253.44
  5. Step 5: Solve for x
    x = 134,778,402,514,253.44/12,163,105.68
  6. Step 6: Final answer
    x = 11,080,920.13

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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.