Finding the Fourth Proportional to 7,395,611.99, 10,206,338.78 and 4,132,505.93
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Solution
The fourth proportional to 7,395,611.99, 10,206,338.78 and 4,132,505.93 is: 5,703,078.47
Step by Step Solution
- Step 1: Write the proportion equation
7,395,611.99 : 10,206,338.78 = 4,132,505.93 : x - Step 2: Convert to fraction form
7,395,611.99/10,206,338.78 = 4,132,505.93/x - Step 3: Cross multiply
7,395,611.99x = 10,206,338.78 × 4,132,505.93 - Step 4: Simplify right side
7,395,611.99x = 42,177,755,491,238.54 - Step 5: Solve for x
x = 42,177,755,491,238.54/7,395,611.99 - Step 6: Final answer
x = 5,703,078.47
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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.