Home / 18,341,540.40-27,512,310.60-18,058,105.20

Finding the Fourth Proportional to 18,341,540.40, 27,512,310.60 and 18,058,105.20

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Solution

The fourth proportional to 18,341,540.40, 27,512,310.60 and 18,058,105.20 is: 27,087,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,540.40 : 27,512,310.60 = 18,058,105.20 : x
  2. Step 2: Convert to fraction form
    18,341,540.40/27,512,310.60 = 18,058,105.20/x
  3. Step 3: Cross multiply
    18,341,540.40x = 27,512,310.60 × 18,058,105.20
  4. Step 4: Simplify right side
    18,341,540.40x = 496,820,199,109,875.12
  5. Step 5: Solve for x
    x = 496,820,199,109,875.12/18,341,540.40
  6. Step 6: Final answer
    x = 27,087,157.80

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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.