Finding the Fourth Proportional to 29,432,817.36, 40,616,891.22 and 16,380,072.82
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Solution
The fourth proportional to 29,432,817.36, 40,616,891.22 and 16,380,072.82 is: 22,604,279.69
Step by Step Solution
- Step 1: Write the proportion equation
29,432,817.36 : 40,616,891.22 = 16,380,072.82 : x - Step 2: Convert to fraction form
29,432,817.36/40,616,891.22 = 16,380,072.82/x - Step 3: Cross multiply
29,432,817.36x = 40,616,891.22 × 16,380,072.82 - Step 4: Simplify right side
29,432,817.36x = 665,307,635,702,534.12 - Step 5: Solve for x
x = 665,307,635,702,534.12/29,432,817.36 - Step 6: Final answer
x = 22,604,279.69
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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.