Home / 31,763,414.88-43,833,509.01-18,012,378.96

Finding the Fourth Proportional to 31,763,414.88, 43,833,509.01 and 18,012,378.96

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Solution

The fourth proportional to 31,763,414.88, 43,833,509.01 and 18,012,378.96 is: 24,857,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763,414.88 : 43,833,509.01 = 18,012,378.96 : x
  2. Step 2: Convert to fraction form
    31,763,414.88/43,833,509.01 = 18,012,378.96/x
  3. Step 3: Cross multiply
    31,763,414.88x = 43,833,509.01 × 18,012,378.96
  4. Step 4: Simplify right side
    31,763,414.88x = 789,545,775,434,694.38
  5. Step 5: Solve for x
    x = 789,545,775,434,694.38/31,763,414.88
  6. Step 6: Final answer
    x = 24,857,080.97

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1.5x scale

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.