Home / 15,063,837.52-20,788,109.17-8,188,319.58

Finding the Fourth Proportional to 15,063,837.52, 20,788,109.17 and 8,188,319.58

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Solution

The fourth proportional to 15,063,837.52, 20,788,109.17 and 8,188,319.58 is: 11,299,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063,837.52 : 20,788,109.17 = 8,188,319.58 : x
  2. Step 2: Convert to fraction form
    15,063,837.52/20,788,109.17 = 8,188,319.58/x
  3. Step 3: Cross multiply
    15,063,837.52x = 20,788,109.17 × 8,188,319.58
  4. Step 4: Simplify right side
    15,063,837.52x = 170,219,681,384,109.09
  5. Step 5: Solve for x
    x = 170,219,681,384,109.09/15,063,837.52
  6. Step 6: Final answer
    x = 11,299,888.30

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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.