Home / 18,105,590.72-24,986,372.28-10,372,127.78

Finding the Fourth Proportional to 18,105,590.72, 24,986,372.28 and 10,372,127.78

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Solution

The fourth proportional to 18,105,590.72, 24,986,372.28 and 10,372,127.78 is: 14,313,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,590.72 : 24,986,372.28 = 10,372,127.78 : x
  2. Step 2: Convert to fraction form
    18,105,590.72/24,986,372.28 = 10,372,127.78/x
  3. Step 3: Cross multiply
    18,105,590.72x = 24,986,372.28 × 10,372,127.78
  4. Step 4: Simplify right side
    18,105,590.72x = 259,161,846,046,809.94
  5. Step 5: Solve for x
    x = 259,161,846,046,809.94/18,105,590.72
  6. Step 6: Final answer
    x = 14,313,912.76

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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.