Home / 19,469,949.86-26,876,803.78-12,131,408.76

Finding the Fourth Proportional to 19,469,949.86, 26,876,803.78 and 12,131,408.76

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Solution

The fourth proportional to 19,469,949.86, 26,876,803.78 and 12,131,408.76 is: 16,746,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469,949.86 : 26,876,803.78 = 12,131,408.76 : x
  2. Step 2: Convert to fraction form
    19,469,949.86/26,876,803.78 = 12,131,408.76/x
  3. Step 3: Cross multiply
    19,469,949.86x = 26,876,803.78 × 12,131,408.76
  4. Step 4: Simplify right side
    19,469,949.86x = 326,053,492,817,493.12
  5. Step 5: Solve for x
    x = 326,053,492,817,493.12/19,469,949.86
  6. Step 6: Final answer
    x = 16,746,498.84

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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.