Home / 6,672,905.40-10,009,358.10-5,556,879.30

Finding the Fourth Proportional to 6,672,905.40, 10,009,358.10 and 5,556,879.30

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Solution

The fourth proportional to 6,672,905.40, 10,009,358.10 and 5,556,879.30 is: 8,335,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672,905.40 : 10,009,358.10 = 5,556,879.30 : x
  2. Step 2: Convert to fraction form
    6,672,905.40/10,009,358.10 = 5,556,879.30/x
  3. Step 3: Cross multiply
    6,672,905.40x = 10,009,358.10 × 5,556,879.30
  4. Step 4: Simplify right side
    6,672,905.40x = 55,620,794,832,177.33
  5. Step 5: Solve for x
    x = 55,620,794,832,177.33/6,672,905.40
  6. Step 6: Final answer
    x = 8,335,318.95

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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.