Home / 11,679,982.66-17,523,716.73-8,178,188.03

Finding the Fourth Proportional to 11,679,982.66, 17,523,716.73 and 8,178,188.03

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Solution

The fourth proportional to 11,679,982.66, 17,523,716.73 and 8,178,188.03 is: 12,269,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,982.66 : 17,523,716.73 = 8,178,188.03 : x
  2. Step 2: Convert to fraction form
    11,679,982.66/17,523,716.73 = 8,178,188.03/x
  3. Step 3: Cross multiply
    11,679,982.66x = 17,523,716.73 × 8,178,188.03
  4. Step 4: Simplify right side
    11,679,982.66x = 143,312,250,402,396.75
  5. Step 5: Solve for x
    x = 143,312,250,402,396.75/11,679,982.66
  6. Step 6: Final answer
    x = 12,269,902.67

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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.