Finding the Fourth Proportional to 16,962,171.63, 23,348,702.08 and 14,782,968.28
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Solution
The fourth proportional to 16,962,171.63, 23,348,702.08 and 14,782,968.28 is: 20,348,993.62
Step by Step Solution
- Step 1: Write the proportion equation
16,962,171.63 : 23,348,702.08 = 14,782,968.28 : x - Step 2: Convert to fraction form
16,962,171.63/23,348,702.08 = 14,782,968.28/x - Step 3: Cross multiply
16,962,171.63x = 23,348,702.08 × 14,782,968.28 - Step 4: Simplify right side
16,962,171.63x = 345,163,122,275,474.62 - Step 5: Solve for x
x = 345,163,122,275,474.62/16,962,171.63 - Step 6: Final answer
x = 20,348,993.62
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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.