Home / 8,076,388.80-12,114,583.20-6,641,498.10

Finding the Fourth Proportional to 8,076,388.80, 12,114,583.20 and 6,641,498.10

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Solution

The fourth proportional to 8,076,388.80, 12,114,583.20 and 6,641,498.10 is: 9,962,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,388.80 : 12,114,583.20 = 6,641,498.10 : x
  2. Step 2: Convert to fraction form
    8,076,388.80/12,114,583.20 = 6,641,498.10/x
  3. Step 3: Cross multiply
    8,076,388.80x = 12,114,583.20 × 6,641,498.10
  4. Step 4: Simplify right side
    8,076,388.80x = 80,458,981,305,091.91
  5. Step 5: Solve for x
    x = 80,458,981,305,091.91/8,076,388.80
  6. Step 6: Final answer
    x = 9,962,247.15

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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.