Home / 27,380,190.60-37,786,761.45-15,619,717.80

Finding the Fourth Proportional to 27,380,190.60, 37,786,761.45 and 15,619,717.80

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Solution

The fourth proportional to 27,380,190.60, 37,786,761.45 and 15,619,717.80 is: 21,556,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380,190.60 : 37,786,761.45 = 15,619,717.80 : x
  2. Step 2: Convert to fraction form
    27,380,190.60/37,786,761.45 = 15,619,717.80/x
  3. Step 3: Cross multiply
    27,380,190.60x = 37,786,761.45 × 15,619,717.80
  4. Step 4: Simplify right side
    27,380,190.60x = 590,218,550,424,918.88
  5. Step 5: Solve for x
    x = 590,218,550,424,918.88/27,380,190.60
  6. Step 6: Final answer
    x = 21,556,407.66

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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.