Home / 30,296,329.64-45,511,754.73-18,790,299.82

Finding the Fourth Proportional to 30,296,329.64, 45,511,754.73 and 18,790,299.82

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Solution

The fourth proportional to 30,296,329.64, 45,511,754.73 and 18,790,299.82 is: 28,227,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296,329.64 : 45,511,754.73 = 18,790,299.82 : x
  2. Step 2: Convert to fraction form
    30,296,329.64/45,511,754.73 = 18,790,299.82/x
  3. Step 3: Cross multiply
    30,296,329.64x = 45,511,754.73 × 18,790,299.82
  4. Step 4: Simplify right side
    30,296,329.64x = 855,179,516,711,003.12
  5. Step 5: Solve for x
    x = 855,179,516,711,003.12/30,296,329.64
  6. Step 6: Final answer
    x = 28,227,165.70

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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.