Home / 12,372,920.20-18,559,380.30-3,275,000.20

Finding the Fourth Proportional to 12,372,920.20, 18,559,380.30 and 3,275,000.20

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Solution

The fourth proportional to 12,372,920.20, 18,559,380.30 and 3,275,000.20 is: 4,912,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,920.20 : 18,559,380.30 = 3,275,000.20 : x
  2. Step 2: Convert to fraction form
    12,372,920.20/18,559,380.30 = 3,275,000.20/x
  3. Step 3: Cross multiply
    12,372,920.20x = 18,559,380.30 × 3,275,000.20
  4. Step 4: Simplify right side
    12,372,920.20x = 60,781,974,194,376.06
  5. Step 5: Solve for x
    x = 60,781,974,194,376.06/12,372,920.20
  6. Step 6: Final answer
    x = 4,912,500.30

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Double scale
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Similar ratio
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1.5x scale

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.