Home / 8,076,608.20-12,114,912.30-5,809,126.60

Finding the Fourth Proportional to 8,076,608.20, 12,114,912.30 and 5,809,126.60

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Solution

The fourth proportional to 8,076,608.20, 12,114,912.30 and 5,809,126.60 is: 8,713,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,608.20 : 12,114,912.30 = 5,809,126.60 : x
  2. Step 2: Convert to fraction form
    8,076,608.20/12,114,912.30 = 5,809,126.60/x
  3. Step 3: Cross multiply
    8,076,608.20x = 12,114,912.30 × 5,809,126.60
  4. Step 4: Simplify right side
    8,076,608.20x = 70,377,059,298,597.19
  5. Step 5: Solve for x
    x = 70,377,059,298,597.19/8,076,608.20
  6. Step 6: Final answer
    x = 8,713,689.90

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Similar ratio
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1.5x scale

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.