Finding the Fourth Proportional to 19,796,942.75, 27,320,851.74 and 11,097,909.68
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Solution
The fourth proportional to 19,796,942.75, 27,320,851.74 and 11,097,909.68 is: 15,315,715.60
Step by Step Solution
- Step 1: Write the proportion equation
19,796,942.75 : 27,320,851.74 = 11,097,909.68 : x - Step 2: Convert to fraction form
19,796,942.75/27,320,851.74 = 11,097,909.68/x - Step 3: Cross multiply
19,796,942.75x = 27,320,851.74 × 11,097,909.68 - Step 4: Simplify right side
19,796,942.75x = 303,204,344,854,586.56 - Step 5: Solve for x
x = 303,204,344,854,586.56/19,796,942.75 - Step 6: Final answer
x = 15,315,715.60
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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.