Home / 20,712,233.22-28,595,142.72-18,414,046.14

Finding the Fourth Proportional to 20,712,233.22, 28,595,142.72 and 18,414,046.14

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Solution

The fourth proportional to 20,712,233.22, 28,595,142.72 and 18,414,046.14 is: 25,422,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,233.22 : 28,595,142.72 = 18,414,046.14 : x
  2. Step 2: Convert to fraction form
    20,712,233.22/28,595,142.72 = 18,414,046.14/x
  3. Step 3: Cross multiply
    20,712,233.22x = 28,595,142.72 × 18,414,046.14
  4. Step 4: Simplify right side
    20,712,233.22x = 526,552,277,425,965.12
  5. Step 5: Solve for x
    x = 526,552,277,425,965.12/20,712,233.22
  6. Step 6: Final answer
    x = 25,422,284.11

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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.