Home / 20,292,714-28,003,982.68-11,000,255.32

Finding the Fourth Proportional to 20,292,714, 28,003,982.68 and 11,000,255.32

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Solution

The fourth proportional to 20,292,714, 28,003,982.68 and 11,000,255.32 is: 15,180,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,714 : 28,003,982.68 = 11,000,255.32 : x
  2. Step 2: Convert to fraction form
    20,292,714/28,003,982.68 = 11,000,255.32/x
  3. Step 3: Cross multiply
    20,292,714x = 28,003,982.68 × 11,000,255.32
  4. Step 4: Simplify right side
    20,292,714x = 308,050,959,456,857.88
  5. Step 5: Solve for x
    x = 308,050,959,456,857.88/20,292,714
  6. Step 6: Final answer
    x = 15,180,372.59

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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.