Finding the Fourth Proportional to 18,442,693.35, 27,665,367.99 and 7,083,141.96
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Solution
The fourth proportional to 18,442,693.35, 27,665,367.99 and 7,083,141.96 is: 10,625,222.96
Step by Step Solution
- Step 1: Write the proportion equation
18,442,693.35 : 27,665,367.99 = 7,083,141.96 : x - Step 2: Convert to fraction form
18,442,693.35/27,665,367.99 = 7,083,141.96/x - Step 3: Cross multiply
18,442,693.35x = 27,665,367.99 × 7,083,141.96 - Step 4: Simplify right side
18,442,693.35x = 195,957,728,848,809.84 - Step 5: Solve for x
x = 195,957,728,848,809.84/18,442,693.35 - Step 6: Final answer
x = 10,625,222.96
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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.