Finding the Fourth Proportional to 18,482,453.80, 27,717,784.60 and 6,348,991.42
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Solution
The fourth proportional to 18,482,453.80, 27,717,784.60 and 6,348,991.42 is: 9,521,461.73
Step by Step Solution
- Step 1: Write the proportion equation
18,482,453.80 : 27,717,784.60 = 6,348,991.42 : x - Step 2: Convert to fraction form
18,482,453.80/27,717,784.60 = 6,348,991.42/x - Step 3: Cross multiply
18,482,453.80x = 27,717,784.60 × 6,348,991.42 - Step 4: Simplify right side
18,482,453.80x = 175,979,976,606,808.12 - Step 5: Solve for x
x = 175,979,976,606,808.12/18,482,453.80 - Step 6: Final answer
x = 9,521,461.73
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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.