Home / 22,524,861.50-31,109,969.68-15,268,920.38

Finding the Fourth Proportional to 22,524,861.50, 31,109,969.68 and 15,268,920.38

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Solution

The fourth proportional to 22,524,861.50, 31,109,969.68 and 15,268,920.38 is: 21,088,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,524,861.50 : 31,109,969.68 = 15,268,920.38 : x
  2. Step 2: Convert to fraction form
    22,524,861.50/31,109,969.68 = 15,268,920.38/x
  3. Step 3: Cross multiply
    22,524,861.50x = 31,109,969.68 × 15,268,920.38
  4. Step 4: Simplify right side
    22,524,861.50x = 475,015,650,068,134.12
  5. Step 5: Solve for x
    x = 475,015,650,068,134.12/22,524,861.50
  6. Step 6: Final answer
    x = 21,088,504.81

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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.