Home / 13,434,486.26-20,139,795.25-5,235,230.48

Finding the Fourth Proportional to 13,434,486.26, 20,139,795.25 and 5,235,230.48

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Solution

The fourth proportional to 13,434,486.26, 20,139,795.25 and 5,235,230.48 is: 7,848,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,486.26 : 20,139,795.25 = 5,235,230.48 : x
  2. Step 2: Convert to fraction form
    13,434,486.26/20,139,795.25 = 5,235,230.48/x
  3. Step 3: Cross multiply
    13,434,486.26x = 20,139,795.25 × 5,235,230.48
  4. Step 4: Simplify right side
    13,434,486.26x = 105,436,469,839,972.16
  5. Step 5: Solve for x
    x = 105,436,469,839,972.16/13,434,486.26
  6. Step 6: Final answer
    x = 7,848,195.15

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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.