Home / 8,122,521.80-12,183,782.70-8,066,534.60

Finding the Fourth Proportional to 8,122,521.80, 12,183,782.70 and 8,066,534.60

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Solution

The fourth proportional to 8,122,521.80, 12,183,782.70 and 8,066,534.60 is: 12,099,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,521.80 : 12,183,782.70 = 8,066,534.60 : x
  2. Step 2: Convert to fraction form
    8,122,521.80/12,183,782.70 = 8,066,534.60/x
  3. Step 3: Cross multiply
    8,122,521.80x = 12,183,782.70 × 8,066,534.60
  4. Step 4: Simplify right side
    8,122,521.80x = 98,280,904,708,431.41
  5. Step 5: Solve for x
    x = 98,280,904,708,431.41/8,122,521.80
  6. Step 6: Final answer
    x = 12,099,801.90

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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.