Finding the Fourth Proportional to 13,010,435.91, 19,511,858.68 and 4,373,560.08
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Solution
The fourth proportional to 13,010,435.91, 19,511,858.68 and 4,373,560.08 is: 6,559,064.34
Step by Step Solution
- Step 1: Write the proportion equation
13,010,435.91 : 19,511,858.68 = 4,373,560.08 : x - Step 2: Convert to fraction form
13,010,435.91/19,511,858.68 = 4,373,560.08/x - Step 3: Cross multiply
13,010,435.91x = 19,511,858.68 × 4,373,560.08 - Step 4: Simplify right side
13,010,435.91x = 85,336,286,198,515.59 - Step 5: Solve for x
x = 85,336,286,198,515.59/13,010,435.91 - Step 6: Final answer
x = 6,559,064.34
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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.