Home / 21,635,629.88-32,448,131.22-7,258,376.12

Finding the Fourth Proportional to 21,635,629.88, 32,448,131.22 and 7,258,376.12

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Solution

The fourth proportional to 21,635,629.88, 32,448,131.22 and 7,258,376.12 is: 10,885,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635,629.88 : 32,448,131.22 = 7,258,376.12 : x
  2. Step 2: Convert to fraction form
    21,635,629.88/32,448,131.22 = 7,258,376.12/x
  3. Step 3: Cross multiply
    21,635,629.88x = 32,448,131.22 × 7,258,376.12
  4. Step 4: Simplify right side
    21,635,629.88x = 235,520,740,785,874.47
  5. Step 5: Solve for x
    x = 235,520,740,785,874.47/21,635,629.88
  6. Step 6: Final answer
    x = 10,885,781.56

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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.