Home / 22,566,944.33-31,143,276.11-12,643,912.61

Finding the Fourth Proportional to 22,566,944.33, 31,143,276.11 and 12,643,912.61

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Solution

The fourth proportional to 22,566,944.33, 31,143,276.11 and 12,643,912.61 is: 17,449,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,566,944.33 : 31,143,276.11 = 12,643,912.61 : x
  2. Step 2: Convert to fraction form
    22,566,944.33/31,143,276.11 = 12,643,912.61/x
  3. Step 3: Cross multiply
    22,566,944.33x = 31,143,276.11 × 12,643,912.61
  4. Step 4: Simplify right side
    22,566,944.33x = 393,772,861,523,940.75
  5. Step 5: Solve for x
    x = 393,772,861,523,940.75/22,566,944.33
  6. Step 6: Final answer
    x = 17,449,099.70

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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.