Home / 7,380,455.10-11,070,682.65-3,399,143.10

Finding the Fourth Proportional to 7,380,455.10, 11,070,682.65 and 3,399,143.10

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Solution

The fourth proportional to 7,380,455.10, 11,070,682.65 and 3,399,143.10 is: 5,098,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,455.10 : 11,070,682.65 = 3,399,143.10 : x
  2. Step 2: Convert to fraction form
    7,380,455.10/11,070,682.65 = 3,399,143.10/x
  3. Step 3: Cross multiply
    7,380,455.10x = 11,070,682.65 × 3,399,143.10
  4. Step 4: Simplify right side
    7,380,455.10x = 37,630,834,542,037.22
  5. Step 5: Solve for x
    x = 37,630,834,542,037.22/7,380,455.10
  6. Step 6: Final answer
    x = 5,098,714.65

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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.