Home / 10,115,412.06-13,959,240.41-5,469,164.58

Finding the Fourth Proportional to 10,115,412.06, 13,959,240.41 and 5,469,164.58

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Solution

The fourth proportional to 10,115,412.06, 13,959,240.41 and 5,469,164.58 is: 7,547,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,412.06 : 13,959,240.41 = 5,469,164.58 : x
  2. Step 2: Convert to fraction form
    10,115,412.06/13,959,240.41 = 5,469,164.58/x
  3. Step 3: Cross multiply
    10,115,412.06x = 13,959,240.41 × 5,469,164.58
  4. Step 4: Simplify right side
    10,115,412.06x = 76,345,383,227,749.59
  5. Step 5: Solve for x
    x = 76,345,383,227,749.59/10,115,412.06
  6. Step 6: Final answer
    x = 7,547,431.86

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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.