Finding the Fourth Proportional to 27,051,517.76, 40,481,491.62 and 16,821,195.08
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Solution
The fourth proportional to 27,051,517.76, 40,481,491.62 and 16,821,195.08 is: 25,172,231.51
Step by Step Solution
- Step 1: Write the proportion equation
27,051,517.76 : 40,481,491.62 = 16,821,195.08 : x - Step 2: Convert to fraction form
27,051,517.76/40,481,491.62 = 16,821,195.08/x - Step 3: Cross multiply
27,051,517.76x = 40,481,491.62 × 16,821,195.08 - Step 4: Simplify right side
27,051,517.76x = 680,947,067,669,405.12 - Step 5: Solve for x
x = 680,947,067,669,405.12/27,051,517.76 - Step 6: Final answer
x = 25,172,231.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.