Finding the Fourth Proportional to 18,013,842.36, 27,020,826.72 and 4,366,933.20
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Solution
The fourth proportional to 18,013,842.36, 27,020,826.72 and 4,366,933.20 is: 6,550,415.12
Step by Step Solution
- Step 1: Write the proportion equation
18,013,842.36 : 27,020,826.72 = 4,366,933.20 : x - Step 2: Convert to fraction form
18,013,842.36/27,020,826.72 = 4,366,933.20/x - Step 3: Cross multiply
18,013,842.36x = 27,020,826.72 × 4,366,933.20 - Step 4: Simplify right side
18,013,842.36x = 117,998,145,295,015.11 - Step 5: Solve for x
x = 117,998,145,295,015.11/18,013,842.36 - Step 6: Final answer
x = 6,550,415.12
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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.