Finding the Fourth Proportional to 18,531,048.51, 27,757,468.40 and 14,867,946.09
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Solution
The fourth proportional to 18,531,048.51, 27,757,468.40 and 14,867,946.09 is: 22,270,544.67
Step by Step Solution
- Step 1: Write the proportion equation
18,531,048.51 : 27,757,468.40 = 14,867,946.09 : x - Step 2: Convert to fraction form
18,531,048.51/27,757,468.40 = 14,867,946.09/x - Step 3: Cross multiply
18,531,048.51x = 27,757,468.40 × 14,867,946.09 - Step 4: Simplify right side
18,531,048.51x = 412,696,543,691,738.81 - Step 5: Solve for x
x = 412,696,543,691,738.81/18,531,048.51 - Step 6: Final answer
x = 22,270,544.67
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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.