Home / 5,377,662.20-8,066,493.30-4,879,998.20

Finding the Fourth Proportional to 5,377,662.20, 8,066,493.30 and 4,879,998.20

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Solution

The fourth proportional to 5,377,662.20, 8,066,493.30 and 4,879,998.20 is: 7,319,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,662.20 : 8,066,493.30 = 4,879,998.20 : x
  2. Step 2: Convert to fraction form
    5,377,662.20/8,066,493.30 = 4,879,998.20/x
  3. Step 3: Cross multiply
    5,377,662.20x = 8,066,493.30 × 4,879,998.20
  4. Step 4: Simplify right side
    5,377,662.20x = 39,364,472,784,312.06
  5. Step 5: Solve for x
    x = 39,364,472,784,312.06/5,377,662.20
  6. Step 6: Final answer
    x = 7,319,997.30

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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.