Home / 6,605,138.70-9,907,708.05-6,353,196.30

Finding the Fourth Proportional to 6,605,138.70, 9,907,708.05 and 6,353,196.30

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Solution

The fourth proportional to 6,605,138.70, 9,907,708.05 and 6,353,196.30 is: 9,529,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,138.70 : 9,907,708.05 = 6,353,196.30 : x
  2. Step 2: Convert to fraction form
    6,605,138.70/9,907,708.05 = 6,353,196.30/x
  3. Step 3: Cross multiply
    6,605,138.70x = 9,907,708.05 × 6,353,196.30
  4. Step 4: Simplify right side
    6,605,138.70x = 62,945,614,124,740.22
  5. Step 5: Solve for x
    x = 62,945,614,124,740.22/6,605,138.70
  6. Step 6: Final answer
    x = 9,529,794.45

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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.