Home / 15,204,999.52-20,983,137.28-8,329,027.68

Finding the Fourth Proportional to 15,204,999.52, 20,983,137.28 and 8,329,027.68

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Solution

The fourth proportional to 15,204,999.52, 20,983,137.28 and 8,329,027.68 is: 11,494,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,999.52 : 20,983,137.28 = 8,329,027.68 : x
  2. Step 2: Convert to fraction form
    15,204,999.52/20,983,137.28 = 8,329,027.68/x
  3. Step 3: Cross multiply
    15,204,999.52x = 20,983,137.28 × 8,329,027.68
  4. Step 4: Simplify right side
    15,204,999.52x = 174,769,131,218,359.91
  5. Step 5: Solve for x
    x = 174,769,131,218,359.91/15,204,999.52
  6. Step 6: Final answer
    x = 11,494,188.54

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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.