Home / 13,789,861.70-20,684,792.55-11,664,097.70

Finding the Fourth Proportional to 13,789,861.70, 20,684,792.55 and 11,664,097.70

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Solution

The fourth proportional to 13,789,861.70, 20,684,792.55 and 11,664,097.70 is: 17,496,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,861.70 : 20,684,792.55 = 11,664,097.70 : x
  2. Step 2: Convert to fraction form
    13,789,861.70/20,684,792.55 = 11,664,097.70/x
  3. Step 3: Cross multiply
    13,789,861.70x = 20,684,792.55 × 11,664,097.70
  4. Step 4: Simplify right side
    13,789,861.70x = 241,269,441,207,432.12
  5. Step 5: Solve for x
    x = 241,269,441,207,432.12/13,789,861.70
  6. Step 6: Final answer
    x = 17,496,146.55

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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.