Finding the Fourth Proportional to 18,976,690.44, 26,187,845.18 and 10,274,868.95
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Solution
The fourth proportional to 18,976,690.44, 26,187,845.18 and 10,274,868.95 is: 14,179,325.84
Step by Step Solution
- Step 1: Write the proportion equation
18,976,690.44 : 26,187,845.18 = 10,274,868.95 : x - Step 2: Convert to fraction form
18,976,690.44/26,187,845.18 = 10,274,868.95/x - Step 3: Cross multiply
18,976,690.44x = 26,187,845.18 × 10,274,868.95 - Step 4: Simplify right side
18,976,690.44x = 269,076,677,125,075.59 - Step 5: Solve for x
x = 269,076,677,125,075.59/18,976,690.44 - Step 6: Final answer
x = 14,179,325.84
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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.