Home / 15,051,371.52-20,770,876.56-8,175,858.72

Finding the Fourth Proportional to 15,051,371.52, 20,770,876.56 and 8,175,858.72

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Solution

The fourth proportional to 15,051,371.52, 20,770,876.56 and 8,175,858.72 is: 11,282,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,371.52 : 20,770,876.56 = 8,175,858.72 : x
  2. Step 2: Convert to fraction form
    15,051,371.52/20,770,876.56 = 8,175,858.72/x
  3. Step 3: Cross multiply
    15,051,371.52x = 20,770,876.56 × 8,175,858.72
  4. Step 4: Simplify right side
    15,051,371.52x = 169,819,752,245,119.59
  5. Step 5: Solve for x
    x = 169,819,752,245,119.59/15,051,371.52
  6. Step 6: Final answer
    x = 11,282,676.27

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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.