Home / 15,915,391.88-23,870,689.32-10,198,078.43

Finding the Fourth Proportional to 15,915,391.88, 23,870,689.32 and 10,198,078.43

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Solution

The fourth proportional to 15,915,391.88, 23,870,689.32 and 10,198,078.43 is: 15,295,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915,391.88 : 23,870,689.32 = 10,198,078.43 : x
  2. Step 2: Convert to fraction form
    15,915,391.88/23,870,689.32 = 10,198,078.43/x
  3. Step 3: Cross multiply
    15,915,391.88x = 23,870,689.32 × 10,198,078.43
  4. Step 4: Simplify right side
    15,915,391.88x = 243,435,161,863,523.38
  5. Step 5: Solve for x
    x = 243,435,161,863,523.38/15,915,391.88
  6. Step 6: Final answer
    x = 15,295,580.76

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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.