Finding the Fourth Proportional to 16,137,232.49, 22,268,731.22 and 8,794,907.60
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Solution
The fourth proportional to 16,137,232.49, 22,268,731.22 and 8,794,907.60 is: 12,136,618.45
Step by Step Solution
- Step 1: Write the proportion equation
16,137,232.49 : 22,268,731.22 = 8,794,907.60 : x - Step 2: Convert to fraction form
16,137,232.49/22,268,731.22 = 8,794,907.60/x - Step 3: Cross multiply
16,137,232.49x = 22,268,731.22 × 8,794,907.60 - Step 4: Simplify right side
16,137,232.49x = 195,851,433,449,135.25 - Step 5: Solve for x
x = 195,851,433,449,135.25/16,137,232.49 - Step 6: Final answer
x = 12,136,618.45
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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.