Home / 8,076,736.80-12,122,978.40-4,037,785.20

Finding the Fourth Proportional to 8,076,736.80, 12,122,978.40 and 4,037,785.20

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Solution

The fourth proportional to 8,076,736.80, 12,122,978.40 and 4,037,785.20 is: 6,060,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,736.80 : 12,122,978.40 = 4,037,785.20 : x
  2. Step 2: Convert to fraction form
    8,076,736.80/12,122,978.40 = 4,037,785.20/x
  3. Step 3: Cross multiply
    8,076,736.80x = 12,122,978.40 × 4,037,785.20
  4. Step 4: Simplify right side
    8,076,736.80x = 48,949,982,763,439.69
  5. Step 5: Solve for x
    x = 48,949,982,763,439.69/8,076,736.80
  6. Step 6: Final answer
    x = 6,060,613.83

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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.