Home / 13,214,942.56-18,239,972.97-9,030,321.28

Finding the Fourth Proportional to 13,214,942.56, 18,239,972.97 and 9,030,321.28

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Solution

The fourth proportional to 13,214,942.56, 18,239,972.97 and 9,030,321.28 is: 12,464,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,942.56 : 18,239,972.97 = 9,030,321.28 : x
  2. Step 2: Convert to fraction form
    13,214,942.56/18,239,972.97 = 9,030,321.28/x
  3. Step 3: Cross multiply
    13,214,942.56x = 18,239,972.97 × 9,030,321.28
  4. Step 4: Simplify right side
    13,214,942.56x = 164,712,816,057,615.78
  5. Step 5: Solve for x
    x = 164,712,816,057,615.78/13,214,942.56
  6. Step 6: Final answer
    x = 12,464,134.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.