Finding the Fourth Proportional to 11,452,198.36, 17,177,848.80 and 3,879,163.84
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Solution
The fourth proportional to 11,452,198.36, 17,177,848.80 and 3,879,163.84 is: 5,818,593.76
Step by Step Solution
- Step 1: Write the proportion equation
11,452,198.36 : 17,177,848.80 = 3,879,163.84 : x - Step 2: Convert to fraction form
11,452,198.36/17,177,848.80 = 3,879,163.84/x - Step 3: Cross multiply
11,452,198.36x = 17,177,848.80 × 3,879,163.84 - Step 4: Simplify right side
11,452,198.36x = 66,635,689,913,947.39 - Step 5: Solve for x
x = 66,635,689,913,947.39/11,452,198.36 - Step 6: Final answer
x = 5,818,593.76
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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.