Home / 18,145,967.80-27,231,393.30-8,055,830.20

Finding the Fourth Proportional to 18,145,967.80, 27,231,393.30 and 8,055,830.20

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Solution

The fourth proportional to 18,145,967.80, 27,231,393.30 and 8,055,830.20 is: 12,089,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,967.80 : 27,231,393.30 = 8,055,830.20 : x
  2. Step 2: Convert to fraction form
    18,145,967.80/27,231,393.30 = 8,055,830.20/x
  3. Step 3: Cross multiply
    18,145,967.80x = 27,231,393.30 × 8,055,830.20
  4. Step 4: Simplify right side
    18,145,967.80x = 219,371,480,534,217.66
  5. Step 5: Solve for x
    x = 219,371,480,534,217.66/18,145,967.80
  6. Step 6: Final answer
    x = 12,089,268.70

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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.