Home / 20,542,652.08-28,348,511.32-11,375,098

Finding the Fourth Proportional to 20,542,652.08, 28,348,511.32 and 11,375,098

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Solution

The fourth proportional to 20,542,652.08, 28,348,511.32 and 11,375,098 is: 15,697,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,652.08 : 28,348,511.32 = 11,375,098 : x
  2. Step 2: Convert to fraction form
    20,542,652.08/28,348,511.32 = 11,375,098/x
  3. Step 3: Cross multiply
    20,542,652.08x = 28,348,511.32 × 11,375,098
  4. Step 4: Simplify right side
    20,542,652.08x = 322,467,094,419,109.38
  5. Step 5: Solve for x
    x = 322,467,094,419,109.38/20,542,652.08
  6. Step 6: Final answer
    x = 15,697,442.24

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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.