Home / 9,072,108.90-13,608,163.35-8,009,226.90

Finding the Fourth Proportional to 9,072,108.90, 13,608,163.35 and 8,009,226.90

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Solution

The fourth proportional to 9,072,108.90, 13,608,163.35 and 8,009,226.90 is: 12,013,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,108.90 : 13,608,163.35 = 8,009,226.90 : x
  2. Step 2: Convert to fraction form
    9,072,108.90/13,608,163.35 = 8,009,226.90/x
  3. Step 3: Cross multiply
    9,072,108.90x = 13,608,163.35 × 8,009,226.90
  4. Step 4: Simplify right side
    9,072,108.90x = 108,990,867,962,414.11
  5. Step 5: Solve for x
    x = 108,990,867,962,414.11/9,072,108.90
  6. Step 6: Final answer
    x = 12,013,840.35

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Half scale
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Double scale
Find fourth proportional to 9,072,109.90, 13,608,164.85 and 8,009,227.90
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.