Home / 21,504,361.60-32,256,542.40-17,722,115.20

Finding the Fourth Proportional to 21,504,361.60, 32,256,542.40 and 17,722,115.20

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Solution

The fourth proportional to 21,504,361.60, 32,256,542.40 and 17,722,115.20 is: 26,583,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,361.60 : 32,256,542.40 = 17,722,115.20 : x
  2. Step 2: Convert to fraction form
    21,504,361.60/32,256,542.40 = 17,722,115.20/x
  3. Step 3: Cross multiply
    21,504,361.60x = 32,256,542.40 × 17,722,115.20
  4. Step 4: Simplify right side
    21,504,361.60x = 571,654,160,366,484.38
  5. Step 5: Solve for x
    x = 571,654,160,366,484.38/21,504,361.60
  6. Step 6: Final answer
    x = 26,583,172.80

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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.