Home / 14,286,667.36-21,429,942.72-5,188,747.36

Finding the Fourth Proportional to 14,286,667.36, 21,429,942.72 and 5,188,747.36

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Solution

The fourth proportional to 14,286,667.36, 21,429,942.72 and 5,188,747.36 is: 7,783,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286,667.36 : 21,429,942.72 = 5,188,747.36 : x
  2. Step 2: Convert to fraction form
    14,286,667.36/21,429,942.72 = 5,188,747.36/x
  3. Step 3: Cross multiply
    14,286,667.36x = 21,429,942.72 × 5,188,747.36
  4. Step 4: Simplify right side
    14,286,667.36x = 111,194,558,713,351.22
  5. Step 5: Solve for x
    x = 111,194,558,713,351.22/14,286,667.36
  6. Step 6: Final answer
    x = 7,783,099.86

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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.