Home / 11,082,678.32-16,632,245.46-8,390,393.84

Finding the Fourth Proportional to 11,082,678.32, 16,632,245.46 and 8,390,393.84

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Solution

The fourth proportional to 11,082,678.32, 16,632,245.46 and 8,390,393.84 is: 12,591,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082,678.32 : 16,632,245.46 = 8,390,393.84 : x
  2. Step 2: Convert to fraction form
    11,082,678.32/16,632,245.46 = 8,390,393.84/x
  3. Step 3: Cross multiply
    11,082,678.32x = 16,632,245.46 × 8,390,393.84
  4. Step 4: Simplify right side
    11,082,678.32x = 139,551,089,852,951.97
  5. Step 5: Solve for x
    x = 139,551,089,852,951.97/11,082,678.32
  6. Step 6: Final answer
    x = 12,591,819.94

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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.