Home / 18,802,367.83-25,937,717.90-12,279,815.29

Finding the Fourth Proportional to 18,802,367.83, 25,937,717.90 and 12,279,815.29

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Solution

The fourth proportional to 18,802,367.83, 25,937,717.90 and 12,279,815.29 is: 16,939,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802,367.83 : 25,937,717.90 = 12,279,815.29 : x
  2. Step 2: Convert to fraction form
    18,802,367.83/25,937,717.90 = 12,279,815.29/x
  3. Step 3: Cross multiply
    18,802,367.83x = 25,937,717.90 × 12,279,815.29
  4. Step 4: Simplify right side
    18,802,367.83x = 318,510,384,856,126.62
  5. Step 5: Solve for x
    x = 318,510,384,856,126.62/18,802,367.83
  6. Step 6: Final answer
    x = 16,939,908.19

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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.