Home / 7,431,140.20-11,146,710.30-6,297,399.40

Finding the Fourth Proportional to 7,431,140.20, 11,146,710.30 and 6,297,399.40

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Solution

The fourth proportional to 7,431,140.20, 11,146,710.30 and 6,297,399.40 is: 9,446,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,140.20 : 11,146,710.30 = 6,297,399.40 : x
  2. Step 2: Convert to fraction form
    7,431,140.20/11,146,710.30 = 6,297,399.40/x
  3. Step 3: Cross multiply
    7,431,140.20x = 11,146,710.30 × 6,297,399.40
  4. Step 4: Simplify right side
    7,431,140.20x = 70,195,286,755,193.83
  5. Step 5: Solve for x
    x = 70,195,286,755,193.83/7,431,140.20
  6. Step 6: Final answer
    x = 9,446,099.10

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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.