Home / 18,254,853.57-25,190,738.91-9,993,332.64

Finding the Fourth Proportional to 18,254,853.57, 25,190,738.91 and 9,993,332.64

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Solution

The fourth proportional to 18,254,853.57, 25,190,738.91 and 9,993,332.64 is: 13,790,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,853.57 : 25,190,738.91 = 9,993,332.64 : x
  2. Step 2: Convert to fraction form
    18,254,853.57/25,190,738.91 = 9,993,332.64/x
  3. Step 3: Cross multiply
    18,254,853.57x = 25,190,738.91 × 9,993,332.64
  4. Step 4: Simplify right side
    18,254,853.57x = 251,739,433,375,021.03
  5. Step 5: Solve for x
    x = 251,739,433,375,021.03/18,254,853.57
  6. Step 6: Final answer
    x = 13,790,274.04

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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.