Home / 22,128,188.20-33,173,348.70-8,491,120.36

Finding the Fourth Proportional to 22,128,188.20, 33,173,348.70 and 8,491,120.36

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Solution

The fourth proportional to 22,128,188.20, 33,173,348.70 and 8,491,120.36 is: 12,729,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,188.20 : 33,173,348.70 = 8,491,120.36 : x
  2. Step 2: Convert to fraction form
    22,128,188.20/33,173,348.70 = 8,491,120.36/x
  3. Step 3: Cross multiply
    22,128,188.20x = 33,173,348.70 × 8,491,120.36
  4. Step 4: Simplify right side
    22,128,188.20x = 281,678,896,555,949.50
  5. Step 5: Solve for x
    x = 281,678,896,555,949.50/22,128,188.20
  6. Step 6: Final answer
    x = 12,729,415.26

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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.