Home / 8,748,608.20-13,122,912.30-8,076,761.80

Finding the Fourth Proportional to 8,748,608.20, 13,122,912.30 and 8,076,761.80

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Solution

The fourth proportional to 8,748,608.20, 13,122,912.30 and 8,076,761.80 is: 12,115,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,608.20 : 13,122,912.30 = 8,076,761.80 : x
  2. Step 2: Convert to fraction form
    8,748,608.20/13,122,912.30 = 8,076,761.80/x
  3. Step 3: Cross multiply
    8,748,608.20x = 13,122,912.30 × 8,076,761.80
  4. Step 4: Simplify right side
    8,748,608.20x = 105,990,636,769,390.14
  5. Step 5: Solve for x
    x = 105,990,636,769,390.14/8,748,608.20
  6. Step 6: Final answer
    x = 12,115,142.70

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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.