Finding the Fourth Proportional to 18,444,418.81, 27,676,202.97 and 7,522,621.09
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Solution
The fourth proportional to 18,444,418.81, 27,676,202.97 and 7,522,621.09 is: 11,287,836.73
Step by Step Solution
- Step 1: Write the proportion equation
18,444,418.81 : 27,676,202.97 = 7,522,621.09 : x - Step 2: Convert to fraction form
18,444,418.81/27,676,202.97 = 7,522,621.09/x - Step 3: Cross multiply
18,444,418.81x = 27,676,202.97 × 7,522,621.09 - Step 4: Simplify right side
18,444,418.81x = 208,197,588,153,242.62 - Step 5: Solve for x
x = 208,197,588,153,242.62/18,444,418.81 - Step 6: Final answer
x = 11,287,836.73
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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.