Finding the Fourth Proportional to 11,286,060.37, 15,575,723.84 and 6,392,153.07
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Solution
The fourth proportional to 11,286,060.37, 15,575,723.84 and 6,392,153.07 is: 8,821,715.26
Step by Step Solution
- Step 1: Write the proportion equation
11,286,060.37 : 15,575,723.84 = 6,392,153.07 : x - Step 2: Convert to fraction form
11,286,060.37/15,575,723.84 = 6,392,153.07/x - Step 3: Cross multiply
11,286,060.37x = 15,575,723.84 × 6,392,153.07 - Step 4: Simplify right side
11,286,060.37x = 99,562,410,977,308.58 - Step 5: Solve for x
x = 99,562,410,977,308.58/11,286,060.37 - Step 6: Final answer
x = 8,821,715.26
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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.