Home / 29,188,940.10-43,783,410.15-18,453,831.90

Finding the Fourth Proportional to 29,188,940.10, 43,783,410.15 and 18,453,831.90

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Solution

The fourth proportional to 29,188,940.10, 43,783,410.15 and 18,453,831.90 is: 27,680,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188,940.10 : 43,783,410.15 = 18,453,831.90 : x
  2. Step 2: Convert to fraction form
    29,188,940.10/43,783,410.15 = 18,453,831.90/x
  3. Step 3: Cross multiply
    29,188,940.10x = 43,783,410.15 × 18,453,831.90
  4. Step 4: Simplify right side
    29,188,940.10x = 807,971,690,916,853.75
  5. Step 5: Solve for x
    x = 807,971,690,916,853.75/29,188,940.10
  6. Step 6: Final answer
    x = 27,680,747.85

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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.