Finding the Fourth Proportional to 18,268,293.35, 27,399,128.67 and 7,338,042.47
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Solution
The fourth proportional to 18,268,293.35, 27,399,128.67 and 7,338,042.47 is: 11,005,733.60
Step by Step Solution
- Step 1: Write the proportion equation
18,268,293.35 : 27,399,128.67 = 7,338,042.47 : x - Step 2: Convert to fraction form
18,268,293.35/27,399,128.67 = 7,338,042.47/x - Step 3: Cross multiply
18,268,293.35x = 27,399,128.67 × 7,338,042.47 - Step 4: Simplify right side
18,268,293.35x = 201,055,969,889,952.47 - Step 5: Solve for x
x = 201,055,969,889,952.47/18,268,293.35 - Step 6: Final answer
x = 11,005,733.60
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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.