Home / 8,208,049.80-12,312,074.70-5,520,664.20

Finding the Fourth Proportional to 8,208,049.80, 12,312,074.70 and 5,520,664.20

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Solution

The fourth proportional to 8,208,049.80, 12,312,074.70 and 5,520,664.20 is: 8,280,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208,049.80 : 12,312,074.70 = 5,520,664.20 : x
  2. Step 2: Convert to fraction form
    8,208,049.80/12,312,074.70 = 5,520,664.20/x
  3. Step 3: Cross multiply
    8,208,049.80x = 12,312,074.70 × 5,520,664.20
  4. Step 4: Simplify right side
    8,208,049.80x = 67,970,830,024,015.73
  5. Step 5: Solve for x
    x = 67,970,830,024,015.73/8,208,049.80
  6. Step 6: Final answer
    x = 8,280,996.30

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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.