Home / 10,902,309.40-16,353,464.10-10,081,163.80

Finding the Fourth Proportional to 10,902,309.40, 16,353,464.10 and 10,081,163.80

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Solution

The fourth proportional to 10,902,309.40, 16,353,464.10 and 10,081,163.80 is: 15,121,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,309.40 : 16,353,464.10 = 10,081,163.80 : x
  2. Step 2: Convert to fraction form
    10,902,309.40/16,353,464.10 = 10,081,163.80/x
  3. Step 3: Cross multiply
    10,902,309.40x = 16,353,464.10 × 10,081,163.80
  4. Step 4: Simplify right side
    10,902,309.40x = 164,861,950,289,519.59
  5. Step 5: Solve for x
    x = 164,861,950,289,519.59/10,902,309.40
  6. Step 6: Final answer
    x = 15,121,745.70

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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.