Home / 18,729,458.26-28,094,198.35-5,266,286.26

Finding the Fourth Proportional to 18,729,458.26, 28,094,198.35 and 5,266,286.26

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Solution

The fourth proportional to 18,729,458.26, 28,094,198.35 and 5,266,286.26 is: 7,899,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,458.26 : 28,094,198.35 = 5,266,286.26 : x
  2. Step 2: Convert to fraction form
    18,729,458.26/28,094,198.35 = 5,266,286.26/x
  3. Step 3: Cross multiply
    18,729,458.26x = 28,094,198.35 × 5,266,286.26
  4. Step 4: Simplify right side
    18,729,458.26x = 147,952,090,756,319.69
  5. Step 5: Solve for x
    x = 147,952,090,756,319.69/18,729,458.26
  6. Step 6: Final answer
    x = 7,899,432.47

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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.