Finding the Fourth Proportional to 18,168,041.80, 27,266,934.30 and 18,026,324.20
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Solution
The fourth proportional to 18,168,041.80, 27,266,934.30 and 18,026,324.20 is: 27,054,241.90
Step by Step Solution
- Step 1: Write the proportion equation
18,168,041.80 : 27,266,934.30 = 18,026,324.20 : x - Step 2: Convert to fraction form
18,168,041.80/27,266,934.30 = 18,026,324.20/x - Step 3: Cross multiply
18,168,041.80x = 27,266,934.30 × 18,026,324.20 - Step 4: Simplify right side
18,168,041.80x = 491,522,597,631,900.06 - Step 5: Solve for x
x = 491,522,597,631,900.06/18,168,041.80 - Step 6: Final answer
x = 27,054,241.90
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1.5x scale
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.