Home / 27,380,188.35-37,786,758.35-15,619,715.55

Finding the Fourth Proportional to 27,380,188.35, 37,786,758.35 and 15,619,715.55

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Solution

The fourth proportional to 27,380,188.35, 37,786,758.35 and 15,619,715.55 is: 21,556,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380,188.35 : 37,786,758.35 = 15,619,715.55 : x
  2. Step 2: Convert to fraction form
    27,380,188.35/37,786,758.35 = 15,619,715.55/x
  3. Step 3: Cross multiply
    27,380,188.35x = 37,786,758.35 × 15,619,715.55
  4. Step 4: Simplify right side
    27,380,188.35x = 590,218,416,905,488.75
  5. Step 5: Solve for x
    x = 590,218,416,905,488.75/27,380,188.35
  6. Step 6: Final answer
    x = 21,556,404.56

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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.