Home / 12,787,529.33-19,168,369.34-5,505,738.89

Finding the Fourth Proportional to 12,787,529.33, 19,168,369.34 and 5,505,738.89

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Solution

The fourth proportional to 12,787,529.33, 19,168,369.34 and 5,505,738.89 is: 8,253,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,529.33 : 19,168,369.34 = 5,505,738.89 : x
  2. Step 2: Convert to fraction form
    12,787,529.33/19,168,369.34 = 5,505,738.89/x
  3. Step 3: Cross multiply
    12,787,529.33x = 19,168,369.34 × 5,505,738.89
  4. Step 4: Simplify right side
    12,787,529.33x = 105,536,036,409,751.09
  5. Step 5: Solve for x
    x = 105,536,036,409,751.09/12,787,529.33
  6. Step 6: Final answer
    x = 8,253,043.54

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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.