Finding the Fourth Proportional to 18,514,203.62, 27,773,132.70 and 6,382,069.88
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Solution
The fourth proportional to 18,514,203.62, 27,773,132.70 and 6,382,069.88 is: 9,573,734.70
Step by Step Solution
- Step 1: Write the proportion equation
18,514,203.62 : 27,773,132.70 = 6,382,069.88 : x - Step 2: Convert to fraction form
18,514,203.62/27,773,132.70 = 6,382,069.88/x - Step 3: Cross multiply
18,514,203.62x = 27,773,132.70 × 6,382,069.88 - Step 4: Simplify right side
18,514,203.62x = 177,250,073,677,913.06 - Step 5: Solve for x
x = 177,250,073,677,913.06/18,514,203.62 - Step 6: Final answer
x = 9,573,734.70
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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.