Finding the Fourth Proportional to 18,532,993.60, 27,802,114.80 and 5,752,165.60
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Solution
The fourth proportional to 18,532,993.60, 27,802,114.80 and 5,752,165.60 is: 8,629,062.95
Step by Step Solution
- Step 1: Write the proportion equation
18,532,993.60 : 27,802,114.80 = 5,752,165.60 : x - Step 2: Convert to fraction form
18,532,993.60/27,802,114.80 = 5,752,165.60/x - Step 3: Cross multiply
18,532,993.60x = 27,802,114.80 × 5,752,165.60 - Step 4: Simplify right side
18,532,993.60x = 159,922,368,359,810.88 - Step 5: Solve for x
x = 159,922,368,359,810.88/18,532,993.60 - Step 6: Final answer
x = 8,629,062.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.