Finding the Fourth Proportional to 11,286,070.98, 15,575,738.49 and 6,392,163.66
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Solution
The fourth proportional to 11,286,070.98, 15,575,738.49 and 6,392,163.66 is: 8,821,729.88
Step by Step Solution
- Step 1: Write the proportion equation
11,286,070.98 : 15,575,738.49 = 6,392,163.66 : x - Step 2: Convert to fraction form
11,286,070.98/15,575,738.49 = 6,392,163.66/x - Step 3: Cross multiply
11,286,070.98x = 15,575,738.49 × 6,392,163.66 - Step 4: Simplify right side
11,286,070.98x = 99,562,669,553,441.28 - Step 5: Solve for x
x = 99,562,669,553,441.28/11,286,070.98 - Step 6: Final answer
x = 8,821,729.88
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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.