Home / 26,889,843.82-37,111,121.67-15,289,145.50

Finding the Fourth Proportional to 26,889,843.82, 37,111,121.67 and 15,289,145.50

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Solution

The fourth proportional to 26,889,843.82, 37,111,121.67 and 15,289,145.50 is: 21,100,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889,843.82 : 37,111,121.67 = 15,289,145.50 : x
  2. Step 2: Convert to fraction form
    26,889,843.82/37,111,121.67 = 15,289,145.50/x
  3. Step 3: Cross multiply
    26,889,843.82x = 37,111,121.67 × 15,289,145.50
  4. Step 4: Simplify right side
    26,889,843.82x = 567,397,338,880,833
  5. Step 5: Solve for x
    x = 567,397,338,880,833/26,889,843.82
  6. Step 6: Final answer
    x = 21,100,804.55

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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.