Finding the Fourth Proportional to 18,206,894.70, 27,310,342.05 and 17,367,086.70
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Solution
The fourth proportional to 18,206,894.70, 27,310,342.05 and 17,367,086.70 is: 26,050,630.05
Step by Step Solution
- Step 1: Write the proportion equation
18,206,894.70 : 27,310,342.05 = 17,367,086.70 : x - Step 2: Convert to fraction form
18,206,894.70/27,310,342.05 = 17,367,086.70/x - Step 3: Cross multiply
18,206,894.70x = 27,310,342.05 × 17,367,086.70 - Step 4: Simplify right side
18,206,894.70x = 474,301,078,189,005.75 - Step 5: Solve for x
x = 474,301,078,189,005.75/18,206,894.70 - Step 6: Final answer
x = 26,050,630.05
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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.