Finding the Fourth Proportional to 14,405,716.28, 19,880,361.84 and 7,879,345.52
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Solution
The fourth proportional to 14,405,716.28, 19,880,361.84 and 7,879,345.52 is: 10,873,755.73
Step by Step Solution
- Step 1: Write the proportion equation
14,405,716.28 : 19,880,361.84 = 7,879,345.52 : x - Step 2: Convert to fraction form
14,405,716.28/19,880,361.84 = 7,879,345.52/x - Step 3: Cross multiply
14,405,716.28x = 19,880,361.84 × 7,879,345.52 - Step 4: Simplify right side
14,405,716.28x = 156,644,239,999,982.94 - Step 5: Solve for x
x = 156,644,239,999,982.94/14,405,716.28 - Step 6: Final answer
x = 10,873,755.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.