Home / 8,076,979.20-12,115,468.80-2,959,399.20

Finding the Fourth Proportional to 8,076,979.20, 12,115,468.80 and 2,959,399.20

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Solution

The fourth proportional to 8,076,979.20, 12,115,468.80 and 2,959,399.20 is: 4,439,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,979.20 : 12,115,468.80 = 2,959,399.20 : x
  2. Step 2: Convert to fraction form
    8,076,979.20/12,115,468.80 = 2,959,399.20/x
  3. Step 3: Cross multiply
    8,076,979.20x = 12,115,468.80 × 2,959,399.20
  4. Step 4: Simplify right side
    8,076,979.20x = 35,854,508,674,344.96
  5. Step 5: Solve for x
    x = 35,854,508,674,344.96/8,076,979.20
  6. Step 6: Final answer
    x = 4,439,098.80

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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.