Home / 40,128,245.91-55,380,394.58-22,727,686.59

Finding the Fourth Proportional to 40,128,245.91, 55,380,394.58 and 22,727,686.59

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Solution

The fourth proportional to 40,128,245.91, 55,380,394.58 and 22,727,686.59 is: 31,366,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,245.91 : 55,380,394.58 = 22,727,686.59 : x
  2. Step 2: Convert to fraction form
    40,128,245.91/55,380,394.58 = 22,727,686.59/x
  3. Step 3: Cross multiply
    40,128,245.91x = 55,380,394.58 × 22,727,686.59
  4. Step 4: Simplify right side
    40,128,245.91x = 1,258,668,251,131,136.25
  5. Step 5: Solve for x
    x = 1,258,668,251,131,136.25/40,128,245.91
  6. Step 6: Final answer
    x = 31,366,141.79

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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.