Finding the Fourth Proportional to 18,517,277.44, 27,775,836.82 and 4,684,367.12
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Solution
The fourth proportional to 18,517,277.44, 27,775,836.82 and 4,684,367.12 is: 7,026,530.60
Step by Step Solution
- Step 1: Write the proportion equation
18,517,277.44 : 27,775,836.82 = 4,684,367.12 : x - Step 2: Convert to fraction form
18,517,277.44/27,775,836.82 = 4,684,367.12/x - Step 3: Cross multiply
18,517,277.44x = 27,775,836.82 × 4,684,367.12 - Step 4: Simplify right side
18,517,277.44x = 130,112,216,597,069.64 - Step 5: Solve for x
x = 130,112,216,597,069.64/18,517,277.44 - Step 6: Final answer
x = 7,026,530.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.