Finding the Fourth Proportional to 11,243,221.89, 15,515,651.40 and 6,086,583.44
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Solution
The fourth proportional to 11,243,221.89, 15,515,651.40 and 6,086,583.44 is: 8,399,487.96
Step by Step Solution
- Step 1: Write the proportion equation
11,243,221.89 : 15,515,651.40 = 6,086,583.44 : x - Step 2: Convert to fraction form
11,243,221.89/15,515,651.40 = 6,086,583.44/x - Step 3: Cross multiply
11,243,221.89x = 15,515,651.40 × 6,086,583.44 - Step 4: Simplify right side
11,243,221.89x = 94,437,306,864,070.59 - Step 5: Solve for x
x = 94,437,306,864,070.59/11,243,221.89 - Step 6: Final answer
x = 8,399,487.96
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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.