Home / 30,296,329.39-45,511,754.36-18,790,299.57

Finding the Fourth Proportional to 30,296,329.39, 45,511,754.36 and 18,790,299.57

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Solution

The fourth proportional to 30,296,329.39, 45,511,754.36 and 18,790,299.57 is: 28,227,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296,329.39 : 45,511,754.36 = 18,790,299.57 : x
  2. Step 2: Convert to fraction form
    30,296,329.39/45,511,754.36 = 18,790,299.57/x
  3. Step 3: Cross multiply
    30,296,329.39x = 45,511,754.36 × 18,790,299.57
  4. Step 4: Simplify right side
    30,296,329.39x = 855,179,498,286,702.12
  5. Step 5: Solve for x
    x = 855,179,498,286,702.12/30,296,329.39
  6. Step 6: Final answer
    x = 28,227,165.32

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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.