Home / 21,493,348.80-32,257,648.80-21,325,387.20

Finding the Fourth Proportional to 21,493,348.80, 32,257,648.80 and 21,325,387.20

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Solution

The fourth proportional to 21,493,348.80, 32,257,648.80 and 21,325,387.20 is: 32,005,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,348.80 : 32,257,648.80 = 21,325,387.20 : x
  2. Step 2: Convert to fraction form
    21,493,348.80/32,257,648.80 = 21,325,387.20/x
  3. Step 3: Cross multiply
    21,493,348.80x = 32,257,648.80 × 21,325,387.20
  4. Step 4: Simplify right side
    21,493,348.80x = 687,906,850,821,615.38
  5. Step 5: Solve for x
    x = 687,906,850,821,615.38/21,493,348.80
  6. Step 6: Final answer
    x = 32,005,568.66

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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.