Home / 20,196,063.67-27,872,960.21-11,375,805.19

Finding the Fourth Proportional to 20,196,063.67, 27,872,960.21 and 11,375,805.19

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Solution

The fourth proportional to 20,196,063.67, 27,872,960.21 and 11,375,805.19 is: 15,699,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,063.67 : 27,872,960.21 = 11,375,805.19 : x
  2. Step 2: Convert to fraction form
    20,196,063.67/27,872,960.21 = 11,375,805.19/x
  3. Step 3: Cross multiply
    20,196,063.67x = 27,872,960.21 × 11,375,805.19
  4. Step 4: Simplify right side
    20,196,063.67x = 317,077,365,360,702.44
  5. Step 5: Solve for x
    x = 317,077,365,360,702.44/20,196,063.67
  6. Step 6: Final answer
    x = 15,699,958.69

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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.