Home / 20,776,516.30-31,165,309.05-9,844,140.70

Finding the Fourth Proportional to 20,776,516.30, 31,165,309.05 and 9,844,140.70

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Solution

The fourth proportional to 20,776,516.30, 31,165,309.05 and 9,844,140.70 is: 14,766,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,516.30 : 31,165,309.05 = 9,844,140.70 : x
  2. Step 2: Convert to fraction form
    20,776,516.30/31,165,309.05 = 9,844,140.70/x
  3. Step 3: Cross multiply
    20,776,516.30x = 31,165,309.05 × 9,844,140.70
  4. Step 4: Simplify right side
    20,776,516.30x = 306,795,687,247,183.31
  5. Step 5: Solve for x
    x = 306,795,687,247,183.31/20,776,516.30
  6. Step 6: Final answer
    x = 14,766,464.35

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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.