Finding the Fourth Proportional to 7,380,904.68, 11,074,553.28 and 3,965,205.96
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Solution
The fourth proportional to 7,380,904.68, 11,074,553.28 and 3,965,205.96 is: 5,949,526.05
Step by Step Solution
- Step 1: Write the proportion equation
7,380,904.68 : 11,074,553.28 = 3,965,205.96 : x - Step 2: Convert to fraction form
7,380,904.68/11,074,553.28 = 3,965,205.96/x - Step 3: Cross multiply
7,380,904.68x = 11,074,553.28 × 3,965,205.96 - Step 4: Simplify right side
7,380,904.68x = 43,912,884,670,193.55 - Step 5: Solve for x
x = 43,912,884,670,193.55/7,380,904.68 - Step 6: Final answer
x = 5,949,526.05
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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.