Home / 6,385,408.20-9,578,112.30-4,472,220.60

Finding the Fourth Proportional to 6,385,408.20, 9,578,112.30 and 4,472,220.60

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Solution

The fourth proportional to 6,385,408.20, 9,578,112.30 and 4,472,220.60 is: 6,708,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,408.20 : 9,578,112.30 = 4,472,220.60 : x
  2. Step 2: Convert to fraction form
    6,385,408.20/9,578,112.30 = 4,472,220.60/x
  3. Step 3: Cross multiply
    6,385,408.20x = 9,578,112.30 × 4,472,220.60
  4. Step 4: Simplify right side
    6,385,408.20x = 42,835,431,137,173.38
  5. Step 5: Solve for x
    x = 42,835,431,137,173.38/6,385,408.20
  6. Step 6: Final answer
    x = 6,708,330.90

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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.