Finding the Fourth Proportional to 7,450,855.15, 11,166,933.30 and 3,186,008.32
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Solution
The fourth proportional to 7,450,855.15, 11,166,933.30 and 3,186,008.32 is: 4,775,014.64
Step by Step Solution
- Step 1: Write the proportion equation
7,450,855.15 : 11,166,933.30 = 3,186,008.32 : x - Step 2: Convert to fraction form
7,450,855.15/11,166,933.30 = 3,186,008.32/x - Step 3: Cross multiply
7,450,855.15x = 11,166,933.30 × 3,186,008.32 - Step 4: Simplify right side
7,450,855.15x = 35,577,942,402,685.05 - Step 5: Solve for x
x = 35,577,942,402,685.05/7,450,855.15 - Step 6: Final answer
x = 4,775,014.64
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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.