Finding the Fourth Proportional to 18,167,208.52, 27,228,373.35 and 15,590,310.16
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Solution
The fourth proportional to 18,167,208.52, 27,228,373.35 and 15,590,310.16 is: 23,366,208.69
Step by Step Solution
- Step 1: Write the proportion equation
18,167,208.52 : 27,228,373.35 = 15,590,310.16 : x - Step 2: Convert to fraction form
18,167,208.52/27,228,373.35 = 15,590,310.16/x - Step 3: Cross multiply
18,167,208.52x = 27,228,373.35 × 15,590,310.16 - Step 4: Simplify right side
18,167,208.52x = 424,498,785,678,778.25 - Step 5: Solve for x
x = 424,498,785,678,778.25/18,167,208.52 - Step 6: Final answer
x = 23,366,208.69
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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.