Finding the Fourth Proportional to 17,469,252.80, 26,203,879.20 and 15,901,611.20
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Solution
The fourth proportional to 17,469,252.80, 26,203,879.20 and 15,901,611.20 is: 23,852,416.80
Step by Step Solution
- Step 1: Write the proportion equation
17,469,252.80 : 26,203,879.20 = 15,901,611.20 : x - Step 2: Convert to fraction form
17,469,252.80/26,203,879.20 = 15,901,611.20/x - Step 3: Cross multiply
17,469,252.80x = 26,203,879.20 × 15,901,611.20 - Step 4: Simplify right side
17,469,252.80x = 416,683,898,970,167 - Step 5: Solve for x
x = 416,683,898,970,167/17,469,252.80 - Step 6: Final answer
x = 23,852,416.80
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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.