Finding the Fourth Proportional to 11,334,811.82, 15,642,197.97 and 6,178,163.90
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Solution
The fourth proportional to 11,334,811.82, 15,642,197.97 and 6,178,163.90 is: 8,525,952.12
Step by Step Solution
- Step 1: Write the proportion equation
11,334,811.82 : 15,642,197.97 = 6,178,163.90 : x - Step 2: Convert to fraction form
11,334,811.82/15,642,197.97 = 6,178,163.90/x - Step 3: Cross multiply
11,334,811.82x = 15,642,197.97 × 6,178,163.90 - Step 4: Simplify right side
11,334,811.82x = 96,640,062,814,907.30 - Step 5: Solve for x
x = 96,640,062,814,907.30/11,334,811.82 - Step 6: Final answer
x = 8,525,952.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.