Home / 20,562,806.97-28,389,576.38-13,233,377.49

Finding the Fourth Proportional to 20,562,806.97, 28,389,576.38 and 13,233,377.49

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Solution

The fourth proportional to 20,562,806.97, 28,389,576.38 and 13,233,377.49 is: 18,270,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562,806.97 : 28,389,576.38 = 13,233,377.49 : x
  2. Step 2: Convert to fraction form
    20,562,806.97/28,389,576.38 = 13,233,377.49/x
  3. Step 3: Cross multiply
    20,562,806.97x = 28,389,576.38 × 13,233,377.49
  4. Step 4: Simplify right side
    20,562,806.97x = 375,689,981,017,727.69
  5. Step 5: Solve for x
    x = 375,689,981,017,727.69/20,562,806.97
  6. Step 6: Final answer
    x = 18,270,364.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.