Finding the Fourth Proportional to 7,618,975.99, 10,511,193.69 and 4,354,039.13
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Solution
The fourth proportional to 7,618,975.99, 10,511,193.69 and 4,354,039.13 is: 6,006,863.48
Step by Step Solution
- Step 1: Write the proportion equation
7,618,975.99 : 10,511,193.69 = 4,354,039.13 : x - Step 2: Convert to fraction form
7,618,975.99/10,511,193.69 = 4,354,039.13/x - Step 3: Cross multiply
7,618,975.99x = 10,511,193.69 × 4,354,039.13 - Step 4: Simplify right side
7,618,975.99x = 45,766,148,576,713.12 - Step 5: Solve for x
x = 45,766,148,576,713.12/7,618,975.99 - Step 6: Final answer
x = 6,006,863.48
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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.