Home / 9,659,893.80-14,489,840.70-8,929,986.60

Finding the Fourth Proportional to 9,659,893.80, 14,489,840.70 and 8,929,986.60

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Solution

The fourth proportional to 9,659,893.80, 14,489,840.70 and 8,929,986.60 is: 13,394,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,893.80 : 14,489,840.70 = 8,929,986.60 : x
  2. Step 2: Convert to fraction form
    9,659,893.80/14,489,840.70 = 8,929,986.60/x
  3. Step 3: Cross multiply
    9,659,893.80x = 14,489,840.70 × 8,929,986.60
  4. Step 4: Simplify right side
    9,659,893.80x = 129,394,083,287,134.61
  5. Step 5: Solve for x
    x = 129,394,083,287,134.61/9,659,893.80
  6. Step 6: Final answer
    x = 13,394,979.90

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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.