Home / 21,086,249.48-31,593,266.80-11,508,348.56

Finding the Fourth Proportional to 21,086,249.48, 31,593,266.80 and 11,508,348.56

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Solution

The fourth proportional to 21,086,249.48, 31,593,266.80 and 11,508,348.56 is: 17,242,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,249.48 : 31,593,266.80 = 11,508,348.56 : x
  2. Step 2: Convert to fraction form
    21,086,249.48/31,593,266.80 = 11,508,348.56/x
  3. Step 3: Cross multiply
    21,086,249.48x = 31,593,266.80 × 11,508,348.56
  4. Step 4: Simplify right side
    21,086,249.48x = 363,586,326,483,475.81
  5. Step 5: Solve for x
    x = 363,586,326,483,475.81/21,086,249.48
  6. Step 6: Final answer
    x = 17,242,816.31

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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.