Home / 20,357,721-28,093,713.30-11,656,027.08

Finding the Fourth Proportional to 20,357,721, 28,093,713.30 and 11,656,027.08

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Solution

The fourth proportional to 20,357,721, 28,093,713.30 and 11,656,027.08 is: 16,085,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,721 : 28,093,713.30 = 11,656,027.08 : x
  2. Step 2: Convert to fraction form
    20,357,721/28,093,713.30 = 11,656,027.08/x
  3. Step 3: Cross multiply
    20,357,721x = 28,093,713.30 × 11,656,027.08
  4. Step 4: Simplify right side
    20,357,721x = 327,461,083,002,556.19
  5. Step 5: Solve for x
    x = 327,461,083,002,556.19/20,357,721
  6. Step 6: Final answer
    x = 16,085,350.76

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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.