Finding the Fourth Proportional to 18,191,997.36, 27,278,867.88 and 6,057,186.48
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Solution
The fourth proportional to 18,191,997.36, 27,278,867.88 and 6,057,186.48 is: 9,082,740.42
Step by Step Solution
- Step 1: Write the proportion equation
18,191,997.36 : 27,278,867.88 = 6,057,186.48 : x - Step 2: Convert to fraction form
18,191,997.36/27,278,867.88 = 6,057,186.48/x - Step 3: Cross multiply
18,191,997.36x = 27,278,867.88 × 6,057,186.48 - Step 4: Simplify right side
18,191,997.36x = 165,233,189,712,442.28 - Step 5: Solve for x
x = 165,233,189,712,442.28/18,191,997.36 - Step 6: Final answer
x = 9,082,740.42
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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.