Home / 8,723,213.70-13,084,820.55-8,331,303.30

Finding the Fourth Proportional to 8,723,213.70, 13,084,820.55 and 8,331,303.30

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Solution

The fourth proportional to 8,723,213.70, 13,084,820.55 and 8,331,303.30 is: 12,496,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723,213.70 : 13,084,820.55 = 8,331,303.30 : x
  2. Step 2: Convert to fraction form
    8,723,213.70/13,084,820.55 = 8,331,303.30/x
  3. Step 3: Cross multiply
    8,723,213.70x = 13,084,820.55 × 8,331,303.30
  4. Step 4: Simplify right side
    8,723,213.70x = 109,013,608,628,122.81
  5. Step 5: Solve for x
    x = 109,013,608,628,122.81/8,723,213.70
  6. Step 6: Final answer
    x = 12,496,954.95

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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.