Home / 18,552,181.76-25,591,374-11,570,738.66

Finding the Fourth Proportional to 18,552,181.76, 25,591,374 and 11,570,738.66

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Solution

The fourth proportional to 18,552,181.76, 25,591,374 and 11,570,738.66 is: 15,960,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552,181.76 : 25,591,374 = 11,570,738.66 : x
  2. Step 2: Convert to fraction form
    18,552,181.76/25,591,374 = 11,570,738.66/x
  3. Step 3: Cross multiply
    18,552,181.76x = 25,591,374 × 11,570,738.66
  4. Step 4: Simplify right side
    18,552,181.76x = 296,111,100,504,318.88
  5. Step 5: Solve for x
    x = 296,111,100,504,318.88/18,552,181.76
  6. Step 6: Final answer
    x = 15,960,985.31

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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.