Home / 20,543,997.60-30,815,996.40-14,572,029.60

Finding the Fourth Proportional to 20,543,997.60, 30,815,996.40 and 14,572,029.60

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Solution

The fourth proportional to 20,543,997.60, 30,815,996.40 and 14,572,029.60 is: 21,858,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543,997.60 : 30,815,996.40 = 14,572,029.60 : x
  2. Step 2: Convert to fraction form
    20,543,997.60/30,815,996.40 = 14,572,029.60/x
  3. Step 3: Cross multiply
    20,543,997.60x = 30,815,996.40 × 14,572,029.60
  4. Step 4: Simplify right side
    20,543,997.60x = 449,051,611,694,293.44
  5. Step 5: Solve for x
    x = 449,051,611,694,293.44/20,543,997.60
  6. Step 6: Final answer
    x = 21,858,044.40

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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.