Home / 8,245,403.85-11,373,929.83-5,142,540.26

Finding the Fourth Proportional to 8,245,403.85, 11,373,929.83 and 5,142,540.26

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Solution

The fourth proportional to 8,245,403.85, 11,373,929.83 and 5,142,540.26 is: 7,093,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245,403.85 : 11,373,929.83 = 5,142,540.26 : x
  2. Step 2: Convert to fraction form
    8,245,403.85/11,373,929.83 = 5,142,540.26/x
  3. Step 3: Cross multiply
    8,245,403.85x = 11,373,929.83 × 5,142,540.26
  4. Step 4: Simplify right side
    8,245,403.85x = 58,490,892,065,189.95
  5. Step 5: Solve for x
    x = 58,490,892,065,189.95/8,245,403.85
  6. Step 6: Final answer
    x = 7,093,757.10

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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.