Home / 15,503,424.30-21,394,515.22-8,627,906.36

Finding the Fourth Proportional to 15,503,424.30, 21,394,515.22 and 8,627,906.36

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Solution

The fourth proportional to 15,503,424.30, 21,394,515.22 and 8,627,906.36 is: 11,906,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503,424.30 : 21,394,515.22 = 8,627,906.36 : x
  2. Step 2: Convert to fraction form
    15,503,424.30/21,394,515.22 = 8,627,906.36/x
  3. Step 3: Cross multiply
    15,503,424.30x = 21,394,515.22 × 8,627,906.36
  4. Step 4: Simplify right side
    15,503,424.30x = 184,589,873,967,671.34
  5. Step 5: Solve for x
    x = 184,589,873,967,671.34/15,503,424.30
  6. Step 6: Final answer
    x = 11,906,393.74

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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.