Home / 31,530,607.20-47,295,910.80-18,563,446.80

Finding the Fourth Proportional to 31,530,607.20, 47,295,910.80 and 18,563,446.80

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Solution

The fourth proportional to 31,530,607.20, 47,295,910.80 and 18,563,446.80 is: 27,845,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,607.20 : 47,295,910.80 = 18,563,446.80 : x
  2. Step 2: Convert to fraction form
    31,530,607.20/47,295,910.80 = 18,563,446.80/x
  3. Step 3: Cross multiply
    31,530,607.20x = 47,295,910.80 × 18,563,446.80
  4. Step 4: Simplify right side
    31,530,607.20x = 877,975,123,993,345.38
  5. Step 5: Solve for x
    x = 877,975,123,993,345.38/31,530,607.20
  6. Step 6: Final answer
    x = 27,845,170.20

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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.