Home / 47,780,666.71-65,942,917.91-27,157,212.97

Finding the Fourth Proportional to 47,780,666.71, 65,942,917.91 and 27,157,212.97

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Solution

The fourth proportional to 47,780,666.71, 65,942,917.91 and 27,157,212.97 is: 37,480,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,666.71 : 65,942,917.91 = 27,157,212.97 : x
  2. Step 2: Convert to fraction form
    47,780,666.71/65,942,917.91 = 27,157,212.97/x
  3. Step 3: Cross multiply
    47,780,666.71x = 65,942,917.91 × 27,157,212.97
  4. Step 4: Simplify right side
    47,780,666.71x = 1,790,825,865,545,097
  5. Step 5: Solve for x
    x = 1,790,825,865,545,097/47,780,666.71
  6. Step 6: Final answer
    x = 37,480,135.56

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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.