Home / 18,353,203.20-27,504,921.60-12,270,643.20

Finding the Fourth Proportional to 18,353,203.20, 27,504,921.60 and 12,270,643.20

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Solution

The fourth proportional to 18,353,203.20, 27,504,921.60 and 12,270,643.20 is: 18,389,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353,203.20 : 27,504,921.60 = 12,270,643.20 : x
  2. Step 2: Convert to fraction form
    18,353,203.20/27,504,921.60 = 12,270,643.20/x
  3. Step 3: Cross multiply
    18,353,203.20x = 27,504,921.60 × 12,270,643.20
  4. Step 4: Simplify right side
    18,353,203.20x = 337,503,079,197,573.12
  5. Step 5: Solve for x
    x = 337,503,079,197,573.12/18,353,203.20
  6. Step 6: Final answer
    x = 18,389,328.31

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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.