Finding the Fourth Proportional to 19,646,014.67, 27,112,933.16 and 11,388,208.85
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Solution
The fourth proportional to 19,646,014.67, 27,112,933.16 and 11,388,208.85 is: 15,716,558.83
Step by Step Solution
- Step 1: Write the proportion equation
19,646,014.67 : 27,112,933.16 = 11,388,208.85 : x - Step 2: Convert to fraction form
19,646,014.67/27,112,933.16 = 11,388,208.85/x - Step 3: Cross multiply
19,646,014.67x = 27,112,933.16 × 11,388,208.85 - Step 4: Simplify right side
19,646,014.67x = 308,767,745,305,229.44 - Step 5: Solve for x
x = 308,767,745,305,229.44/19,646,014.67 - Step 6: Final answer
x = 15,716,558.83
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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.