Finding the Fourth Proportional to 18,517,277.12, 27,775,836.36 and 4,684,366.80
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Solution
The fourth proportional to 18,517,277.12, 27,775,836.36 and 4,684,366.80 is: 7,026,530.14
Step by Step Solution
- Step 1: Write the proportion equation
18,517,277.12 : 27,775,836.36 = 4,684,366.80 : x - Step 2: Convert to fraction form
18,517,277.12/27,775,836.36 = 4,684,366.80/x - Step 3: Cross multiply
18,517,277.12x = 27,775,836.36 × 4,684,366.80 - Step 4: Simplify right side
18,517,277.12x = 130,112,205,733,034.61 - Step 5: Solve for x
x = 130,112,205,733,034.61/18,517,277.12 - Step 6: Final answer
x = 7,026,530.14
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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.