Home / 39,571,399.78-54,608,490.28-22,167,867.51

Finding the Fourth Proportional to 39,571,399.78, 54,608,490.28 and 22,167,867.51

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Solution

The fourth proportional to 39,571,399.78, 54,608,490.28 and 22,167,867.51 is: 30,591,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571,399.78 : 54,608,490.28 = 22,167,867.51 : x
  2. Step 2: Convert to fraction form
    39,571,399.78/54,608,490.28 = 22,167,867.51/x
  3. Step 3: Cross multiply
    39,571,399.78x = 54,608,490.28 × 22,167,867.51
  4. Step 4: Simplify right side
    39,571,399.78x = 1,210,553,777,448,163
  5. Step 5: Solve for x
    x = 1,210,553,777,448,163/39,571,399.78
  6. Step 6: Final answer
    x = 30,591,633.96

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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.