Finding the Fourth Proportional to 10,769,221.36, 14,861,620.41 and 5,874,465.21
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Solution
The fourth proportional to 10,769,221.36, 14,861,620.41 and 5,874,465.21 is: 8,106,813.77
Step by Step Solution
- Step 1: Write the proportion equation
10,769,221.36 : 14,861,620.41 = 5,874,465.21 : x - Step 2: Convert to fraction form
10,769,221.36/14,861,620.41 = 5,874,465.21/x - Step 3: Cross multiply
10,769,221.36x = 14,861,620.41 × 5,874,465.21 - Step 4: Simplify right side
10,769,221.36x = 87,304,072,062,770.94 - Step 5: Solve for x
x = 87,304,072,062,770.94/10,769,221.36 - Step 6: Final answer
x = 8,106,813.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.