Finding the Fourth Proportional to 12,796,621.68, 19,194,968.94 and 3,699,459.84
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Solution
The fourth proportional to 12,796,621.68, 19,194,968.94 and 3,699,459.84 is: 5,549,200.29
Step by Step Solution
- Step 1: Write the proportion equation
12,796,621.68 : 19,194,968.94 = 3,699,459.84 : x - Step 2: Convert to fraction form
12,796,621.68/19,194,968.94 = 3,699,459.84/x - Step 3: Cross multiply
12,796,621.68x = 19,194,968.94 × 3,699,459.84 - Step 4: Simplify right side
12,796,621.68x = 71,011,016,723,577.38 - Step 5: Solve for x
x = 71,011,016,723,577.38/12,796,621.68 - Step 6: Final answer
x = 5,549,200.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.