Home / 31,632,845.76-47,449,521.36-20,712,244.32

Finding the Fourth Proportional to 31,632,845.76, 47,449,521.36 and 20,712,244.32

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Solution

The fourth proportional to 31,632,845.76, 47,449,521.36 and 20,712,244.32 is: 31,068,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632,845.76 : 47,449,521.36 = 20,712,244.32 : x
  2. Step 2: Convert to fraction form
    31,632,845.76/47,449,521.36 = 20,712,244.32/x
  3. Step 3: Cross multiply
    31,632,845.76x = 47,449,521.36 × 20,712,244.32
  4. Step 4: Simplify right side
    31,632,845.76x = 982,786,079,275,378.62
  5. Step 5: Solve for x
    x = 982,786,079,275,378.62/31,632,845.76
  6. Step 6: Final answer
    x = 31,068,531.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.