Home / 15,342,010.76-21,172,483.22-8,373,069.64

Finding the Fourth Proportional to 15,342,010.76, 21,172,483.22 and 8,373,069.64

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Solution

The fourth proportional to 15,342,010.76, 21,172,483.22 and 8,373,069.64 is: 11,555,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,010.76 : 21,172,483.22 = 8,373,069.64 : x
  2. Step 2: Convert to fraction form
    15,342,010.76/21,172,483.22 = 8,373,069.64/x
  3. Step 3: Cross multiply
    15,342,010.76x = 21,172,483.22 × 8,373,069.64
  4. Step 4: Simplify right side
    15,342,010.76x = 177,278,676,452,791.44
  5. Step 5: Solve for x
    x = 177,278,676,452,791.44/15,342,010.76
  6. Step 6: Final answer
    x = 11,555,113.55

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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.