Finding the Fourth Proportional to 51,651,537.98, 71,282,344.82 and 28,446,658.79
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Solution
The fourth proportional to 51,651,537.98, 71,282,344.82 and 28,446,658.79 is: 39,258,163.84
Step by Step Solution
- Step 1: Write the proportion equation
51,651,537.98 : 71,282,344.82 = 28,446,658.79 : x - Step 2: Convert to fraction form
51,651,537.98/71,282,344.82 = 28,446,658.79/x - Step 3: Cross multiply
51,651,537.98x = 71,282,344.82 × 28,446,658.79 - Step 4: Simplify right side
51,651,537.98x = 2,027,744,540,347,019 - Step 5: Solve for x
x = 2,027,744,540,347,019/51,651,537.98 - Step 6: Final answer
x = 39,258,163.84
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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.