Finding the Fourth Proportional to 19,853,716.17, 27,398,793.60 and 11,033,539.13
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Solution
The fourth proportional to 19,853,716.17, 27,398,793.60 and 11,033,539.13 is: 15,226,653.72
Step by Step Solution
- Step 1: Write the proportion equation
19,853,716.17 : 27,398,793.60 = 11,033,539.13 : x - Step 2: Convert to fraction form
19,853,716.17/27,398,793.60 = 11,033,539.13/x - Step 3: Cross multiply
19,853,716.17x = 27,398,793.60 × 11,033,539.13 - Step 4: Simplify right side
19,853,716.17x = 302,305,661,163,399.62 - Step 5: Solve for x
x = 302,305,661,163,399.62/19,853,716.17 - Step 6: Final answer
x = 15,226,653.72
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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.