Finding the Fourth Proportional to 8,186,745.87, 11,297,511.36 and 4,515,583.58
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Solution
The fourth proportional to 8,186,745.87, 11,297,511.36 and 4,515,583.58 is: 6,231,396.16
Step by Step Solution
- Step 1: Write the proportion equation
8,186,745.87 : 11,297,511.36 = 4,515,583.58 : x - Step 2: Convert to fraction form
8,186,745.87/11,297,511.36 = 4,515,583.58/x - Step 3: Cross multiply
8,186,745.87x = 11,297,511.36 × 4,515,583.58 - Step 4: Simplify right side
8,186,745.87x = 51,014,856,792,079.47 - Step 5: Solve for x
x = 51,014,856,792,079.47/8,186,745.87 - Step 6: Final answer
x = 6,231,396.16
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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.