Home / 12,055,999.60-18,052,506.60-11,489,129.20

Finding the Fourth Proportional to 12,055,999.60, 18,052,506.60 and 11,489,129.20

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Solution

The fourth proportional to 12,055,999.60, 18,052,506.60 and 11,489,129.20 is: 17,203,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055,999.60 : 18,052,506.60 = 11,489,129.20 : x
  2. Step 2: Convert to fraction form
    12,055,999.60/18,052,506.60 = 11,489,129.20/x
  3. Step 3: Cross multiply
    12,055,999.60x = 18,052,506.60 × 11,489,129.20
  4. Step 4: Simplify right side
    12,055,999.60x = 207,407,580,711,252.72
  5. Step 5: Solve for x
    x = 207,407,580,711,252.72/12,055,999.60
  6. Step 6: Final answer
    x = 17,203,681.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.