Finding the Fourth Proportional to 11,937,813.44, 17,908,847.84 and 5,555,272.64
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Solution
The fourth proportional to 11,937,813.44, 17,908,847.84 and 5,555,272.64 is: 8,333,899.08
Step by Step Solution
- Step 1: Write the proportion equation
11,937,813.44 : 17,908,847.84 = 5,555,272.64 : x - Step 2: Convert to fraction form
11,937,813.44/17,908,847.84 = 5,555,272.64/x - Step 3: Cross multiply
11,937,813.44x = 17,908,847.84 × 5,555,272.64 - Step 4: Simplify right side
11,937,813.44x = 99,488,532,419,475.09 - Step 5: Solve for x
x = 99,488,532,419,475.09/11,937,813.44 - Step 6: Final answer
x = 8,333,899.08
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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.