Finding the Fourth Proportional to 57,976,773.44, 86,962,884.05 and 19,638,286.18
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Solution
The fourth proportional to 57,976,773.44, 86,962,884.05 and 19,638,286.18 is: 29,456,658.29
Step by Step Solution
- Step 1: Write the proportion equation
57,976,773.44 : 86,962,884.05 = 19,638,286.18 : x - Step 2: Convert to fraction form
57,976,773.44/86,962,884.05 = 19,638,286.18/x - Step 3: Cross multiply
57,976,773.44x = 86,962,884.05 × 19,638,286.18 - Step 4: Simplify right side
57,976,773.44x = 1,707,802,003,843,745.75 - Step 5: Solve for x
x = 1,707,802,003,843,745.75/57,976,773.44 - Step 6: Final answer
x = 29,456,658.29
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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.