Home / 25,109,620.80-37,664,431.20-19,440,916.80

Finding the Fourth Proportional to 25,109,620.80, 37,664,431.20 and 19,440,916.80

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Solution

The fourth proportional to 25,109,620.80, 37,664,431.20 and 19,440,916.80 is: 29,161,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109,620.80 : 37,664,431.20 = 19,440,916.80 : x
  2. Step 2: Convert to fraction form
    25,109,620.80/37,664,431.20 = 19,440,916.80/x
  3. Step 3: Cross multiply
    25,109,620.80x = 37,664,431.20 × 19,440,916.80
  4. Step 4: Simplify right side
    25,109,620.80x = 732,231,073,278,524.25
  5. Step 5: Solve for x
    x = 732,231,073,278,524.25/25,109,620.80
  6. Step 6: Final answer
    x = 29,161,375.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.