Home / 15,503,272.96-21,394,360.56-8,627,638.72

Finding the Fourth Proportional to 15,503,272.96, 21,394,360.56 and 8,627,638.72

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Solution

The fourth proportional to 15,503,272.96, 21,394,360.56 and 8,627,638.72 is: 11,906,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503,272.96 : 21,394,360.56 = 8,627,638.72 : x
  2. Step 2: Convert to fraction form
    15,503,272.96/21,394,360.56 = 8,627,638.72/x
  3. Step 3: Cross multiply
    15,503,272.96x = 21,394,360.56 × 8,627,638.72
  4. Step 4: Simplify right side
    15,503,272.96x = 184,582,813,557,096.88
  5. Step 5: Solve for x
    x = 184,582,813,557,096.88/15,503,272.96
  6. Step 6: Final answer
    x = 11,906,054.55

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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.