Home / 10,613,004.78-15,917,951.97-5,220,207.66

Finding the Fourth Proportional to 10,613,004.78, 15,917,951.97 and 5,220,207.66

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Solution

The fourth proportional to 10,613,004.78, 15,917,951.97 and 5,220,207.66 is: 7,829,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613,004.78 : 15,917,951.97 = 5,220,207.66 : x
  2. Step 2: Convert to fraction form
    10,613,004.78/15,917,951.97 = 5,220,207.66/x
  3. Step 3: Cross multiply
    10,613,004.78x = 15,917,951.97 × 5,220,207.66
  4. Step 4: Simplify right side
    10,613,004.78x = 83,095,014,805,306.09
  5. Step 5: Solve for x
    x = 83,095,014,805,306.09/10,613,004.78
  6. Step 6: Final answer
    x = 7,829,546.54

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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.