Home / 8,491,976.20-12,737,964.30-5,657,624.20

Finding the Fourth Proportional to 8,491,976.20, 12,737,964.30 and 5,657,624.20

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Solution

The fourth proportional to 8,491,976.20, 12,737,964.30 and 5,657,624.20 is: 8,486,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,976.20 : 12,737,964.30 = 5,657,624.20 : x
  2. Step 2: Convert to fraction form
    8,491,976.20/12,737,964.30 = 5,657,624.20/x
  3. Step 3: Cross multiply
    8,491,976.20x = 12,737,964.30 × 5,657,624.20
  4. Step 4: Simplify right side
    8,491,976.20x = 72,066,615,082,416.06
  5. Step 5: Solve for x
    x = 72,066,615,082,416.06/8,491,976.20
  6. Step 6: Final answer
    x = 8,486,436.30

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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.