Home / 21,306,247.70-31,972,493.55-9,181,519.70

Finding the Fourth Proportional to 21,306,247.70, 31,972,493.55 and 9,181,519.70

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Solution

The fourth proportional to 21,306,247.70, 31,972,493.55 and 9,181,519.70 is: 13,777,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,247.70 : 31,972,493.55 = 9,181,519.70 : x
  2. Step 2: Convert to fraction form
    21,306,247.70/31,972,493.55 = 9,181,519.70/x
  3. Step 3: Cross multiply
    21,306,247.70x = 31,972,493.55 × 9,181,519.70
  4. Step 4: Simplify right side
    21,306,247.70x = 293,556,079,387,447.94
  5. Step 5: Solve for x
    x = 293,556,079,387,447.94/21,306,247.70
  6. Step 6: Final answer
    x = 13,777,934.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.