Home / 20,824,234.80-31,241,017.80-8,043,601.20

Finding the Fourth Proportional to 20,824,234.80, 31,241,017.80 and 8,043,601.20

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Solution

The fourth proportional to 20,824,234.80, 31,241,017.80 and 8,043,601.20 is: 12,067,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824,234.80 : 31,241,017.80 = 8,043,601.20 : x
  2. Step 2: Convert to fraction form
    20,824,234.80/31,241,017.80 = 8,043,601.20/x
  3. Step 3: Cross multiply
    20,824,234.80x = 31,241,017.80 × 8,043,601.20
  4. Step 4: Simplify right side
    20,824,234.80x = 251,290,288,265,301.38
  5. Step 5: Solve for x
    x = 251,290,288,265,301.38/20,824,234.80
  6. Step 6: Final answer
    x = 12,067,203.94

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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.