Finding the Fourth Proportional to 11,382,414.79, 17,073,843.62 and 4,190,246.59
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Solution
The fourth proportional to 11,382,414.79, 17,073,843.62 and 4,190,246.59 is: 6,285,451.40
Step by Step Solution
- Step 1: Write the proportion equation
11,382,414.79 : 17,073,843.62 = 4,190,246.59 : x - Step 2: Convert to fraction form
11,382,414.79/17,073,843.62 = 4,190,246.59/x - Step 3: Cross multiply
11,382,414.79x = 17,073,843.62 × 4,190,246.59 - Step 4: Simplify right side
11,382,414.79x = 71,543,614,987,058.84 - Step 5: Solve for x
x = 71,543,614,987,058.84/11,382,414.79 - Step 6: Final answer
x = 6,285,451.40
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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.