Home / 21,705,336.46-29,951,475.24-11,915,741.26

Finding the Fourth Proportional to 21,705,336.46, 29,951,475.24 and 11,915,741.26

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Solution

The fourth proportional to 21,705,336.46, 29,951,475.24 and 11,915,741.26 is: 16,442,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705,336.46 : 29,951,475.24 = 11,915,741.26 : x
  2. Step 2: Convert to fraction form
    21,705,336.46/29,951,475.24 = 11,915,741.26/x
  3. Step 3: Cross multiply
    21,705,336.46x = 29,951,475.24 × 11,915,741.26
  4. Step 4: Simplify right side
    21,705,336.46x = 356,894,029,315,136.38
  5. Step 5: Solve for x
    x = 356,894,029,315,136.38/21,705,336.46
  6. Step 6: Final answer
    x = 16,442,685.88

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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.