Home / 18,689,299.52-28,034,173.92-7,335,095.36

Finding the Fourth Proportional to 18,689,299.52, 28,034,173.92 and 7,335,095.36

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Solution

The fourth proportional to 18,689,299.52, 28,034,173.92 and 7,335,095.36 is: 11,002,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,299.52 : 28,034,173.92 = 7,335,095.36 : x
  2. Step 2: Convert to fraction form
    18,689,299.52/28,034,173.92 = 7,335,095.36/x
  3. Step 3: Cross multiply
    18,689,299.52x = 28,034,173.92 × 7,335,095.36
  4. Step 4: Simplify right side
    18,689,299.52x = 205,633,339,042,025.03
  5. Step 5: Solve for x
    x = 205,633,339,042,025.03/18,689,299.52
  6. Step 6: Final answer
    x = 11,002,731.21

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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.