Finding the Fourth Proportional to 16,247,067.36, 22,421,198.24 and 8,904,841.84
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Solution
The fourth proportional to 16,247,067.36, 22,421,198.24 and 8,904,841.84 is: 12,288,816.18
Step by Step Solution
- Step 1: Write the proportion equation
16,247,067.36 : 22,421,198.24 = 8,904,841.84 : x - Step 2: Convert to fraction form
16,247,067.36/22,421,198.24 = 8,904,841.84/x - Step 3: Cross multiply
16,247,067.36x = 22,421,198.24 × 8,904,841.84 - Step 4: Simplify right side
16,247,067.36x = 199,657,224,190,486.34 - Step 5: Solve for x
x = 199,657,224,190,486.34/16,247,067.36 - Step 6: Final answer
x = 12,288,816.18
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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.