Home / 8,142,321.90-11,235,608.91-4,704,489.12

Finding the Fourth Proportional to 8,142,321.90, 11,235,608.91 and 4,704,489.12

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Solution

The fourth proportional to 8,142,321.90, 11,235,608.91 and 4,704,489.12 is: 6,491,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,321.90 : 11,235,608.91 = 4,704,489.12 : x
  2. Step 2: Convert to fraction form
    8,142,321.90/11,235,608.91 = 4,704,489.12/x
  3. Step 3: Cross multiply
    8,142,321.90x = 11,235,608.91 × 4,704,489.12
  4. Step 4: Simplify right side
    8,142,321.90x = 52,857,799,873,670.06
  5. Step 5: Solve for x
    x = 52,857,799,873,670.06/8,142,321.90
  6. Step 6: Final answer
    x = 6,491,735.47

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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.