Home / 8,505,784.96-11,738,266.68-4,638,517.72

Finding the Fourth Proportional to 8,505,784.96, 11,738,266.68 and 4,638,517.72

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Solution

The fourth proportional to 8,505,784.96, 11,738,266.68 and 4,638,517.72 is: 6,401,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505,784.96 : 11,738,266.68 = 4,638,517.72 : x
  2. Step 2: Convert to fraction form
    8,505,784.96/11,738,266.68 = 4,638,517.72/x
  3. Step 3: Cross multiply
    8,505,784.96x = 11,738,266.68 × 4,638,517.72
  4. Step 4: Simplify right side
    8,505,784.96x = 54,448,157,997,265.56
  5. Step 5: Solve for x
    x = 54,448,157,997,265.56/8,505,784.96
  6. Step 6: Final answer
    x = 6,401,309.02

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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.