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Finding the Fourth Proportional to 17,863,472.38, 26,796,807.06 and 6,933,405.80

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Solution

The fourth proportional to 17,863,472.38, 26,796,807.06 and 6,933,405.80 is: 10,400,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863,472.38 : 26,796,807.06 = 6,933,405.80 : x
  2. Step 2: Convert to fraction form
    17,863,472.38/26,796,807.06 = 6,933,405.80/x
  3. Step 3: Cross multiply
    17,863,472.38x = 26,796,807.06 × 6,933,405.80
  4. Step 4: Simplify right side
    17,863,472.38x = 185,793,137,491,284.94
  5. Step 5: Solve for x
    x = 185,793,137,491,284.94/17,863,472.38
  6. Step 6: Final answer
    x = 10,400,729.13

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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.