Home / 39,917,242.70-55,085,685.08-22,275,956.72

Finding the Fourth Proportional to 39,917,242.70, 55,085,685.08 and 22,275,956.72

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Solution

The fourth proportional to 39,917,242.70, 55,085,685.08 and 22,275,956.72 is: 30,740,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917,242.70 : 55,085,685.08 = 22,275,956.72 : x
  2. Step 2: Convert to fraction form
    39,917,242.70/55,085,685.08 = 22,275,956.72/x
  3. Step 3: Cross multiply
    39,917,242.70x = 55,085,685.08 × 22,275,956.72
  4. Step 4: Simplify right side
    39,917,242.70x = 1,227,086,336,733,629.75
  5. Step 5: Solve for x
    x = 1,227,086,336,733,629.75/39,917,242.70
  6. Step 6: Final answer
    x = 30,740,758.97

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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.