Finding the Fourth Proportional to 19,186,583.49, 26,480,185.61 and 12,215,033.91
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Solution
The fourth proportional to 19,186,583.49, 26,480,185.61 and 12,215,033.91 is: 16,858,465.98
Step by Step Solution
- Step 1: Write the proportion equation
19,186,583.49 : 26,480,185.61 = 12,215,033.91 : x - Step 2: Convert to fraction form
19,186,583.49/26,480,185.61 = 12,215,033.91/x - Step 3: Cross multiply
19,186,583.49x = 26,480,185.61 × 12,215,033.91 - Step 4: Simplify right side
19,186,583.49x = 323,456,365,108,168.88 - Step 5: Solve for x
x = 323,456,365,108,168.88/19,186,583.49 - Step 6: Final answer
x = 16,858,465.98
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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.