Finding the Fourth Proportional to 27,405,231.88, 37,816,464.16 and 15,179,804.68
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Solution
The fourth proportional to 27,405,231.88, 37,816,464.16 and 15,179,804.68 is: 20,946,604.00
Step by Step Solution
- Step 1: Write the proportion equation
27,405,231.88 : 37,816,464.16 = 15,179,804.68 : x - Step 2: Convert to fraction form
27,405,231.88/37,816,464.16 = 15,179,804.68/x - Step 3: Cross multiply
27,405,231.88x = 37,816,464.16 × 15,179,804.68 - Step 4: Simplify right side
27,405,231.88x = 574,046,539,637,020.25 - Step 5: Solve for x
x = 574,046,539,637,020.25/27,405,231.88 - Step 6: Final answer
x = 20,946,604.00
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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.