Finding the Fourth Proportional to 27,171,639.19, 40,757,451.49 and 18,626,067.91
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Solution
The fourth proportional to 27,171,639.19, 40,757,451.49 and 18,626,067.91 is: 27,939,096.86
Step by Step Solution
- Step 1: Write the proportion equation
27,171,639.19 : 40,757,451.49 = 18,626,067.91 : x - Step 2: Convert to fraction form
27,171,639.19/40,757,451.49 = 18,626,067.91/x - Step 3: Cross multiply
27,171,639.19x = 40,757,451.49 × 18,626,067.91 - Step 4: Simplify right side
27,171,639.19x = 759,151,059,291,270.75 - Step 5: Solve for x
x = 759,151,059,291,270.75/27,171,639.19 - Step 6: Final answer
x = 27,939,096.86
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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.