Home / 40,564,600.60-55,979,198.03-21,979,726.06

Finding the Fourth Proportional to 40,564,600.60, 55,979,198.03 and 21,979,726.06

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Solution

The fourth proportional to 40,564,600.60, 55,979,198.03 and 21,979,726.06 is: 30,332,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564,600.60 : 55,979,198.03 = 21,979,726.06 : x
  2. Step 2: Convert to fraction form
    40,564,600.60/55,979,198.03 = 21,979,726.06/x
  3. Step 3: Cross multiply
    40,564,600.60x = 55,979,198.03 × 21,979,726.06
  4. Step 4: Simplify right side
    40,564,600.60x = 1,230,407,437,757,891.50
  5. Step 5: Solve for x
    x = 1,230,407,437,757,891.50/40,564,600.60
  6. Step 6: Final answer
    x = 30,332,048.62

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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.