Home / 21,030,404.48-29,021,945.96-11,372,612.48

Finding the Fourth Proportional to 21,030,404.48, 29,021,945.96 and 11,372,612.48

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Solution

The fourth proportional to 21,030,404.48, 29,021,945.96 and 11,372,612.48 is: 15,694,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,404.48 : 29,021,945.96 = 11,372,612.48 : x
  2. Step 2: Convert to fraction form
    21,030,404.48/29,021,945.96 = 11,372,612.48/x
  3. Step 3: Cross multiply
    21,030,404.48x = 29,021,945.96 × 11,372,612.48
  4. Step 4: Simplify right side
    21,030,404.48x = 330,055,344,818,581.62
  5. Step 5: Solve for x
    x = 330,055,344,818,581.62/21,030,404.48
  6. Step 6: Final answer
    x = 15,694,198.61

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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.