Home / 18,802,377.96-25,937,731.76-12,279,825.42

Finding the Fourth Proportional to 18,802,377.96, 25,937,731.76 and 12,279,825.42

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Solution

The fourth proportional to 18,802,377.96, 25,937,731.76 and 12,279,825.42 is: 16,939,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802,377.96 : 25,937,731.76 = 12,279,825.42 : x
  2. Step 2: Convert to fraction form
    18,802,377.96/25,937,731.76 = 12,279,825.42/x
  3. Step 3: Cross multiply
    18,802,377.96x = 25,937,731.76 × 12,279,825.42
  4. Step 4: Simplify right side
    18,802,377.96x = 318,510,817,803,589.38
  5. Step 5: Solve for x
    x = 318,510,817,803,589.38/18,802,377.96
  6. Step 6: Final answer
    x = 16,939,922.09

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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.