Home / 31,530,630.20-47,295,945.30-18,563,469.80

Finding the Fourth Proportional to 31,530,630.20, 47,295,945.30 and 18,563,469.80

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Solution

The fourth proportional to 31,530,630.20, 47,295,945.30 and 18,563,469.80 is: 27,845,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,630.20 : 47,295,945.30 = 18,563,469.80 : x
  2. Step 2: Convert to fraction form
    31,530,630.20/47,295,945.30 = 18,563,469.80/x
  3. Step 3: Cross multiply
    31,530,630.20x = 47,295,945.30 × 18,563,469.80
  4. Step 4: Simplify right side
    31,530,630.20x = 877,976,852,239,001.88
  5. Step 5: Solve for x
    x = 877,976,852,239,001.88/31,530,630.20
  6. Step 6: Final answer
    x = 27,845,204.70

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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.