Home / 21,936,861.52-30,272,849.82-12,147,305.20

Finding the Fourth Proportional to 21,936,861.52, 30,272,849.82 and 12,147,305.20

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Solution

The fourth proportional to 21,936,861.52, 30,272,849.82 and 12,147,305.20 is: 16,763,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,861.52 : 30,272,849.82 = 12,147,305.20 : x
  2. Step 2: Convert to fraction form
    21,936,861.52/30,272,849.82 = 12,147,305.20/x
  3. Step 3: Cross multiply
    21,936,861.52x = 30,272,849.82 × 12,147,305.20
  4. Step 4: Simplify right side
    21,936,861.52x = 367,733,546,037,305.06
  5. Step 5: Solve for x
    x = 367,733,546,037,305.06/21,936,861.52
  6. Step 6: Final answer
    x = 16,763,270.61

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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.