Home / 8,122,840.50-11,203,062.81-6,903,183.39

Finding the Fourth Proportional to 8,122,840.50, 11,203,062.81 and 6,903,183.39

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Solution

The fourth proportional to 8,122,840.50, 11,203,062.81 and 6,903,183.39 is: 9,520,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,840.50 : 11,203,062.81 = 6,903,183.39 : x
  2. Step 2: Convert to fraction form
    8,122,840.50/11,203,062.81 = 6,903,183.39/x
  3. Step 3: Cross multiply
    8,122,840.50x = 11,203,062.81 × 6,903,183.39
  4. Step 4: Simplify right side
    8,122,840.50x = 77,336,797,107,118.72
  5. Step 5: Solve for x
    x = 77,336,797,107,118.72/8,122,840.50
  6. Step 6: Final answer
    x = 9,520,905.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.