Home / 15,774,360.86-21,768,494.64-8,531,016.86

Finding the Fourth Proportional to 15,774,360.86, 21,768,494.64 and 8,531,016.86

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Solution

The fourth proportional to 15,774,360.86, 21,768,494.64 and 8,531,016.86 is: 11,772,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,360.86 : 21,768,494.64 = 8,531,016.86 : x
  2. Step 2: Convert to fraction form
    15,774,360.86/21,768,494.64 = 8,531,016.86/x
  3. Step 3: Cross multiply
    15,774,360.86x = 21,768,494.64 × 8,531,016.86
  4. Step 4: Simplify right side
    15,774,360.86x = 185,707,394,790,659.62
  5. Step 5: Solve for x
    x = 185,707,394,790,659.62/15,774,360.86
  6. Step 6: Final answer
    x = 11,772,736.56

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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.