Home / 8,076,376.80-12,114,565.20-6,641,486.10

Finding the Fourth Proportional to 8,076,376.80, 12,114,565.20 and 6,641,486.10

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Solution

The fourth proportional to 8,076,376.80, 12,114,565.20 and 6,641,486.10 is: 9,962,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,376.80 : 12,114,565.20 = 6,641,486.10 : x
  2. Step 2: Convert to fraction form
    8,076,376.80/12,114,565.20 = 6,641,486.10/x
  3. Step 3: Cross multiply
    8,076,376.80x = 12,114,565.20 × 6,641,486.10
  4. Step 4: Simplify right side
    8,076,376.80x = 80,458,716,383,343.70
  5. Step 5: Solve for x
    x = 80,458,716,383,343.70/8,076,376.80
  6. Step 6: Final answer
    x = 9,962,229.15

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Double scale
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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.