Finding the Fourth Proportional to 38,253,492.09, 57,379,952.10 and 10,959,807.96
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Solution
The fourth proportional to 38,253,492.09, 57,379,952.10 and 10,959,807.96 is: 16,439,629.99
Step by Step Solution
- Step 1: Write the proportion equation
38,253,492.09 : 57,379,952.10 = 10,959,807.96 : x - Step 2: Convert to fraction form
38,253,492.09/57,379,952.10 = 10,959,807.96/x - Step 3: Cross multiply
38,253,492.09x = 57,379,952.10 × 10,959,807.96 - Step 4: Simplify right side
38,253,492.09x = 628,873,255,769,998.75 - Step 5: Solve for x
x = 628,873,255,769,998.75/38,253,492.09 - Step 6: Final answer
x = 16,439,629.99
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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.