Home / 8,076,828.80-12,103,433.40-6,872,229.20

Finding the Fourth Proportional to 8,076,828.80, 12,103,433.40 and 6,872,229.20

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Solution

The fourth proportional to 8,076,828.80, 12,103,433.40 and 6,872,229.20 is: 10,298,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,828.80 : 12,103,433.40 = 6,872,229.20 : x
  2. Step 2: Convert to fraction form
    8,076,828.80/12,103,433.40 = 6,872,229.20/x
  3. Step 3: Cross multiply
    8,076,828.80x = 12,103,433.40 × 6,872,229.20
  4. Step 4: Simplify right side
    8,076,828.80x = 83,177,568,431,735.28
  5. Step 5: Solve for x
    x = 83,177,568,431,735.28/8,076,828.80
  6. Step 6: Final answer
    x = 10,298,295.34

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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.