Home / 13,366,979.80-20,093,280.23-12,419,243.35

Finding the Fourth Proportional to 13,366,979.80, 20,093,280.23 and 12,419,243.35

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Solution

The fourth proportional to 13,366,979.80, 20,093,280.23 and 12,419,243.35 is: 18,668,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,979.80 : 20,093,280.23 = 12,419,243.35 : x
  2. Step 2: Convert to fraction form
    13,366,979.80/20,093,280.23 = 12,419,243.35/x
  3. Step 3: Cross multiply
    13,366,979.80x = 20,093,280.23 × 12,419,243.35
  4. Step 4: Simplify right side
    13,366,979.80x = 249,543,336,876,113.97
  5. Step 5: Solve for x
    x = 249,543,336,876,113.97/13,366,979.80
  6. Step 6: Final answer
    x = 18,668,640.23

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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.