Home / 20,845,553.43-28,750,090.13-18,325,540.00

Finding the Fourth Proportional to 20,845,553.43, 28,750,090.13 and 18,325,540.00

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Solution

The fourth proportional to 20,845,553.43, 28,750,090.13 and 18,325,540.00 is: 25,274,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,553.43 : 28,750,090.13 = 18,325,540.00 : x
  2. Step 2: Convert to fraction form
    20,845,553.43/28,750,090.13 = 18,325,540.00/x
  3. Step 3: Cross multiply
    20,845,553.43x = 28,750,090.13 × 18,325,540.00
  4. Step 4: Simplify right side
    20,845,553.43x = 526,860,926,797,032
  5. Step 5: Solve for x
    x = 526,860,926,797,032/20,845,553.43
  6. Step 6: Final answer
    x = 25,274,499.36

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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.