Finding the Fourth Proportional to 7,764,716.70, 11,646,965.70 and 3,504,878.10
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Solution
The fourth proportional to 7,764,716.70, 11,646,965.70 and 3,504,878.10 is: 5,257,267.79
Step by Step Solution
- Step 1: Write the proportion equation
7,764,716.70 : 11,646,965.70 = 3,504,878.10 : x - Step 2: Convert to fraction form
7,764,716.70/11,646,965.70 = 3,504,878.10/x - Step 3: Cross multiply
7,764,716.70x = 11,646,965.70 × 3,504,878.10 - Step 4: Simplify right side
7,764,716.70x = 40,821,195,013,381.17 - Step 5: Solve for x
x = 40,821,195,013,381.17/7,764,716.70 - Step 6: Final answer
x = 5,257,267.79
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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.