Home / 20,808,288.56-28,696,468.92-17,867,186.48

Finding the Fourth Proportional to 20,808,288.56, 28,696,468.92 and 17,867,186.48

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Solution

The fourth proportional to 20,808,288.56, 28,696,468.92 and 17,867,186.48 is: 24,640,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,288.56 : 28,696,468.92 = 17,867,186.48 : x
  2. Step 2: Convert to fraction form
    20,808,288.56/28,696,468.92 = 17,867,186.48/x
  3. Step 3: Cross multiply
    20,808,288.56x = 28,696,468.92 × 17,867,186.48
  4. Step 4: Simplify right side
    20,808,288.56x = 512,725,161,511,164.25
  5. Step 5: Solve for x
    x = 512,725,161,511,164.25/20,808,288.56
  6. Step 6: Final answer
    x = 24,640,429.22

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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.