Finding the Fourth Proportional to 29,660,770.80, 44,396,677.80 and 21,157,714.80
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Solution
The fourth proportional to 29,660,770.80, 44,396,677.80 and 21,157,714.80 is: 31,669,178.57
Step by Step Solution
- Step 1: Write the proportion equation
29,660,770.80 : 44,396,677.80 = 21,157,714.80 : x - Step 2: Convert to fraction form
29,660,770.80/44,396,677.80 = 21,157,714.80/x - Step 3: Cross multiply
29,660,770.80x = 44,396,677.80 × 21,157,714.80 - Step 4: Simplify right side
29,660,770.80x = 939,332,246,959,891.38 - Step 5: Solve for x
x = 939,332,246,959,891.38/29,660,770.80 - Step 6: Final answer
x = 31,669,178.57
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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.