Home / 20,082,505.77-27,714,442.53-11,380,389.03

Finding the Fourth Proportional to 20,082,505.77, 27,714,442.53 and 11,380,389.03

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Solution

The fourth proportional to 20,082,505.77, 27,714,442.53 and 11,380,389.03 is: 15,705,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082,505.77 : 27,714,442.53 = 11,380,389.03 : x
  2. Step 2: Convert to fraction form
    20,082,505.77/27,714,442.53 = 11,380,389.03/x
  3. Step 3: Cross multiply
    20,082,505.77x = 27,714,442.53 × 11,380,389.03
  4. Step 4: Simplify right side
    20,082,505.77x = 315,401,137,740,977.44
  5. Step 5: Solve for x
    x = 315,401,137,740,977.44/20,082,505.77
  6. Step 6: Final answer
    x = 15,705,268.13

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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.