Home / 7,260,099.40-10,890,149.10-7,134,128.20

Finding the Fourth Proportional to 7,260,099.40, 10,890,149.10 and 7,134,128.20

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Solution

The fourth proportional to 7,260,099.40, 10,890,149.10 and 7,134,128.20 is: 10,701,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,099.40 : 10,890,149.10 = 7,134,128.20 : x
  2. Step 2: Convert to fraction form
    7,260,099.40/10,890,149.10 = 7,134,128.20/x
  3. Step 3: Cross multiply
    7,260,099.40x = 10,890,149.10 × 7,134,128.20
  4. Step 4: Simplify right side
    7,260,099.40x = 77,691,719,796,514.62
  5. Step 5: Solve for x
    x = 77,691,719,796,514.62/7,260,099.40
  6. Step 6: Final answer
    x = 10,701,192.30

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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.