Home / 14,687,787.90-20,268,744.24-8,161,249.56

Finding the Fourth Proportional to 14,687,787.90, 20,268,744.24 and 8,161,249.56

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Solution

The fourth proportional to 14,687,787.90, 20,268,744.24 and 8,161,249.56 is: 11,262,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,787.90 : 20,268,744.24 = 8,161,249.56 : x
  2. Step 2: Convert to fraction form
    14,687,787.90/20,268,744.24 = 8,161,249.56/x
  3. Step 3: Cross multiply
    14,687,787.90x = 20,268,744.24 × 8,161,249.56
  4. Step 4: Simplify right side
    14,687,787.90x = 165,418,280,010,452.50
  5. Step 5: Solve for x
    x = 165,418,280,010,452.50/14,687,787.90
  6. Step 6: Final answer
    x = 11,262,300.43

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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.