Home / 8,612,772.60-12,919,158.90-6,061,855.80

Finding the Fourth Proportional to 8,612,772.60, 12,919,158.90 and 6,061,855.80

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Solution

The fourth proportional to 8,612,772.60, 12,919,158.90 and 6,061,855.80 is: 9,092,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,772.60 : 12,919,158.90 = 6,061,855.80 : x
  2. Step 2: Convert to fraction form
    8,612,772.60/12,919,158.90 = 6,061,855.80/x
  3. Step 3: Cross multiply
    8,612,772.60x = 12,919,158.90 × 6,061,855.80
  4. Step 4: Simplify right side
    8,612,772.60x = 78,314,078,309,086.62
  5. Step 5: Solve for x
    x = 78,314,078,309,086.62/8,612,772.60
  6. Step 6: Final answer
    x = 9,092,783.70

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Similar ratio
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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.