Finding the Fourth Proportional to 7,933,705.68, 11,905,042.58 and 3,384,324.69
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Solution
The fourth proportional to 7,933,705.68, 11,905,042.58 and 3,384,324.69 is: 5,078,399.82
Step by Step Solution
- Step 1: Write the proportion equation
7,933,705.68 : 11,905,042.58 = 3,384,324.69 : x - Step 2: Convert to fraction form
7,933,705.68/11,905,042.58 = 3,384,324.69/x - Step 3: Cross multiply
7,933,705.68x = 11,905,042.58 × 3,384,324.69 - Step 4: Simplify right side
7,933,705.68x = 40,290,529,509,157.80 - Step 5: Solve for x
x = 40,290,529,509,157.80/7,933,705.68 - Step 6: Final answer
x = 5,078,399.82
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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.