Finding the Fourth Proportional to 13,548,533.33, 18,682,843.08 and 8,040,844.09
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Solution
The fourth proportional to 13,548,533.33, 18,682,843.08 and 8,040,844.09 is: 11,087,977.17
Step by Step Solution
- Step 1: Write the proportion equation
13,548,533.33 : 18,682,843.08 = 8,040,844.09 : x - Step 2: Convert to fraction form
13,548,533.33/18,682,843.08 = 8,040,844.09/x - Step 3: Cross multiply
13,548,533.33x = 18,682,843.08 × 8,040,844.09 - Step 4: Simplify right side
13,548,533.33x = 150,225,828,230,596.97 - Step 5: Solve for x
x = 150,225,828,230,596.97/13,548,533.33 - Step 6: Final answer
x = 11,087,977.17
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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.