Home / 18,207,444.80-27,319,040.40-9,231,996.80

Finding the Fourth Proportional to 18,207,444.80, 27,319,040.40 and 9,231,996.80

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Solution

The fourth proportional to 18,207,444.80, 27,319,040.40 and 9,231,996.80 is: 13,851,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,444.80 : 27,319,040.40 = 9,231,996.80 : x
  2. Step 2: Convert to fraction form
    18,207,444.80/27,319,040.40 = 9,231,996.80/x
  3. Step 3: Cross multiply
    18,207,444.80x = 27,319,040.40 × 9,231,996.80
  4. Step 4: Simplify right side
    18,207,444.80x = 252,209,293,551,870.72
  5. Step 5: Solve for x
    x = 252,209,293,551,870.72/18,207,444.80
  6. Step 6: Final answer
    x = 13,851,987.27

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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.