Home / 15,889,042.80-23,816,975.40-8,689,503.60

Finding the Fourth Proportional to 15,889,042.80, 23,816,975.40 and 8,689,503.60

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Solution

The fourth proportional to 15,889,042.80, 23,816,975.40 and 8,689,503.60 is: 13,025,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889,042.80 : 23,816,975.40 = 8,689,503.60 : x
  2. Step 2: Convert to fraction form
    15,889,042.80/23,816,975.40 = 8,689,503.60/x
  3. Step 3: Cross multiply
    15,889,042.80x = 23,816,975.40 × 8,689,503.60
  4. Step 4: Simplify right side
    15,889,042.80x = 206,957,693,479,411.41
  5. Step 5: Solve for x
    x = 206,957,693,479,411.41/15,889,042.80
  6. Step 6: Final answer
    x = 13,025,183.21

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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.