Finding the Fourth Proportional to 34,253,378.82, 47,270,311.29 and 18,782,540.82
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Solution
The fourth proportional to 34,253,378.82, 47,270,311.29 and 18,782,540.82 is: 25,920,261.94
Step by Step Solution
- Step 1: Write the proportion equation
34,253,378.82 : 47,270,311.29 = 18,782,540.82 : x - Step 2: Convert to fraction form
34,253,378.82/47,270,311.29 = 18,782,540.82/x - Step 3: Cross multiply
34,253,378.82x = 47,270,311.29 × 18,782,540.82 - Step 4: Simplify right side
34,253,378.82x = 887,856,551,378,531.88 - Step 5: Solve for x
x = 887,856,551,378,531.88/34,253,378.82 - Step 6: Final answer
x = 25,920,261.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.