Finding the Fourth Proportional to 27,947,137.87, 41,958,509.44 and 19,289,713.84
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Solution
The fourth proportional to 27,947,137.87, 41,958,509.44 and 19,289,713.84 is: 28,960,662.95
Step by Step Solution
- Step 1: Write the proportion equation
27,947,137.87 : 41,958,509.44 = 19,289,713.84 : x - Step 2: Convert to fraction form
27,947,137.87/41,958,509.44 = 19,289,713.84/x - Step 3: Cross multiply
27,947,137.87x = 41,958,509.44 × 19,289,713.84 - Step 4: Simplify right side
27,947,137.87x = 809,367,640,097,418 - Step 5: Solve for x
x = 809,367,640,097,418/27,947,137.87 - Step 6: Final answer
x = 28,960,662.95
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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.