Home / 27,786,022.16-38,344,672.53-15,396,917.67

Finding the Fourth Proportional to 27,786,022.16, 38,344,672.53 and 15,396,917.67

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Solution

The fourth proportional to 27,786,022.16, 38,344,672.53 and 15,396,917.67 is: 21,247,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,786,022.16 : 38,344,672.53 = 15,396,917.67 : x
  2. Step 2: Convert to fraction form
    27,786,022.16/38,344,672.53 = 15,396,917.67/x
  3. Step 3: Cross multiply
    27,786,022.16x = 38,344,672.53 × 15,396,917.67
  4. Step 4: Simplify right side
    27,786,022.16x = 590,389,766,027,520.62
  5. Step 5: Solve for x
    x = 590,389,766,027,520.62/27,786,022.16
  6. Step 6: Final answer
    x = 21,247,725.30

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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.