Finding the Fourth Proportional to 18,205,042.05, 27,311,550.71 and 6,845,490.68
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Solution
The fourth proportional to 18,205,042.05, 27,311,550.71 and 6,845,490.68 is: 10,269,735.45
Step by Step Solution
- Step 1: Write the proportion equation
18,205,042.05 : 27,311,550.71 = 6,845,490.68 : x - Step 2: Convert to fraction form
18,205,042.05/27,311,550.71 = 6,845,490.68/x - Step 3: Cross multiply
18,205,042.05x = 27,311,550.71 × 6,845,490.68 - Step 4: Simplify right side
18,205,042.05x = 186,960,965,670,867.16 - Step 5: Solve for x
x = 186,960,965,670,867.16/18,205,042.05 - Step 6: Final answer
x = 10,269,735.45
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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.