Home / 18,543,921.40-27,815,882.10-17,599,137.40

Finding the Fourth Proportional to 18,543,921.40, 27,815,882.10 and 17,599,137.40

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Solution

The fourth proportional to 18,543,921.40, 27,815,882.10 and 17,599,137.40 is: 26,398,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543,921.40 : 27,815,882.10 = 17,599,137.40 : x
  2. Step 2: Convert to fraction form
    18,543,921.40/27,815,882.10 = 17,599,137.40/x
  3. Step 3: Cross multiply
    18,543,921.40x = 27,815,882.10 × 17,599,137.40
  4. Step 4: Simplify right side
    18,543,921.40x = 489,535,530,980,100.50
  5. Step 5: Solve for x
    x = 489,535,530,980,100.50/18,543,921.40
  6. Step 6: Final answer
    x = 26,398,706.10

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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.