Finding the Fourth Proportional to 18,166,607.48, 27,255,170.97 and 5,387,419.73
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Solution
The fourth proportional to 18,166,607.48, 27,255,170.97 and 5,387,419.73 is: 8,082,689.40
Step by Step Solution
- Step 1: Write the proportion equation
18,166,607.48 : 27,255,170.97 = 5,387,419.73 : x - Step 2: Convert to fraction form
18,166,607.48/27,255,170.97 = 5,387,419.73/x - Step 3: Cross multiply
18,166,607.48x = 27,255,170.97 × 5,387,419.73 - Step 4: Simplify right side
18,166,607.48x = 146,835,045,692,025.38 - Step 5: Solve for x
x = 146,835,045,692,025.38/18,166,607.48 - Step 6: Final answer
x = 8,082,689.40
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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.