Home / 28,969,306.40-43,459,791.60-8,498,986.40

Finding the Fourth Proportional to 28,969,306.40, 43,459,791.60 and 8,498,986.40

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Solution

The fourth proportional to 28,969,306.40, 43,459,791.60 and 8,498,986.40 is: 12,750,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,306.40 : 43,459,791.60 = 8,498,986.40 : x
  2. Step 2: Convert to fraction form
    28,969,306.40/43,459,791.60 = 8,498,986.40/x
  3. Step 3: Cross multiply
    28,969,306.40x = 43,459,791.60 × 8,498,986.40
  4. Step 4: Simplify right side
    28,969,306.40x = 369,364,177,755,234.25
  5. Step 5: Solve for x
    x = 369,364,177,755,234.25/28,969,306.40
  6. Step 6: Final answer
    x = 12,750,190.59

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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.