Finding the Fourth Proportional to 8,009,929.42, 11,053,755.68 and 4,338,845.99
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Solution
The fourth proportional to 8,009,929.42, 11,053,755.68 and 4,338,845.99 is: 5,987,636.22
Step by Step Solution
- Step 1: Write the proportion equation
8,009,929.42 : 11,053,755.68 = 4,338,845.99 : x - Step 2: Convert to fraction form
8,009,929.42/11,053,755.68 = 4,338,845.99/x - Step 3: Cross multiply
8,009,929.42x = 11,053,755.68 × 4,338,845.99 - Step 4: Simplify right side
8,009,929.42x = 47,960,543,528,818.55 - Step 5: Solve for x
x = 47,960,543,528,818.55/8,009,929.42 - Step 6: Final answer
x = 5,987,636.22
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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.