Finding the Fourth Proportional to 7,407,075.41, 11,102,797.30 and 3,994,433.23
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Solution
The fourth proportional to 7,407,075.41, 11,102,797.30 and 3,994,433.23 is: 5,987,434.99
Step by Step Solution
- Step 1: Write the proportion equation
7,407,075.41 : 11,102,797.30 = 3,994,433.23 : x - Step 2: Convert to fraction form
7,407,075.41/11,102,797.30 = 3,994,433.23/x - Step 3: Cross multiply
7,407,075.41x = 11,102,797.30 × 3,994,433.23 - Step 4: Simplify right side
7,407,075.41x = 44,349,382,481,074.28 - Step 5: Solve for x
x = 44,349,382,481,074.28/7,407,075.41 - Step 6: Final answer
x = 5,987,434.99
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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.