Finding the Fourth Proportional to 7,647,886.58, 11,472,211.06 and 2,183,791.82
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Solution
The fourth proportional to 7,647,886.58, 11,472,211.06 and 2,183,791.82 is: 3,275,796.57
Step by Step Solution
- Step 1: Write the proportion equation
7,647,886.58 : 11,472,211.06 = 2,183,791.82 : x - Step 2: Convert to fraction form
7,647,886.58/11,472,211.06 = 2,183,791.82/x - Step 3: Cross multiply
7,647,886.58x = 11,472,211.06 × 2,183,791.82 - Step 4: Simplify right side
7,647,886.58x = 25,052,920,607,320.99 - Step 5: Solve for x
x = 25,052,920,607,320.99/7,647,886.58 - Step 6: Final answer
x = 3,275,796.57
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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.