Finding the Fourth Proportional to 7,926,912.06, 10,939,194.63 and 4,305,240.06
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Solution
The fourth proportional to 7,926,912.06, 10,939,194.63 and 4,305,240.06 is: 5,941,261.69
Step by Step Solution
- Step 1: Write the proportion equation
7,926,912.06 : 10,939,194.63 = 4,305,240.06 : x - Step 2: Convert to fraction form
7,926,912.06/10,939,194.63 = 4,305,240.06/x - Step 3: Cross multiply
7,926,912.06x = 10,939,194.63 × 4,305,240.06 - Step 4: Simplify right side
7,926,912.06x = 47,095,858,945,212.88 - Step 5: Solve for x
x = 47,095,858,945,212.88/7,926,912.06 - Step 6: Final answer
x = 5,941,261.69
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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.