Finding the Fourth Proportional to 38,994,576.26, 53,815,544.98 and 21,592,540.58
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Solution
The fourth proportional to 38,994,576.26, 53,815,544.98 and 21,592,540.58 is: 29,799,383.66
Step by Step Solution
- Step 1: Write the proportion equation
38,994,576.26 : 53,815,544.98 = 21,592,540.58 : x - Step 2: Convert to fraction form
38,994,576.26/53,815,544.98 = 21,592,540.58/x - Step 3: Cross multiply
38,994,576.26x = 53,815,544.98 × 21,592,540.58 - Step 4: Simplify right side
38,994,576.26x = 1,162,014,338,492,406.25 - Step 5: Solve for x
x = 1,162,014,338,492,406.25/38,994,576.26 - Step 6: Final answer
x = 29,799,383.66
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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.