Finding the Fourth Proportional to 7,642,608.26, 10,546,883.09 and 4,157,966.84
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Solution
The fourth proportional to 7,642,608.26, 10,546,883.09 and 4,157,966.84 is: 5,738,039.77
Step by Step Solution
- Step 1: Write the proportion equation
7,642,608.26 : 10,546,883.09 = 4,157,966.84 : x - Step 2: Convert to fraction form
7,642,608.26/10,546,883.09 = 4,157,966.84/x - Step 3: Cross multiply
7,642,608.26x = 10,546,883.09 × 4,157,966.84 - Step 4: Simplify right side
7,642,608.26x = 43,853,590,095,644.86 - Step 5: Solve for x
x = 43,853,590,095,644.86/7,642,608.26 - Step 6: Final answer
x = 5,738,039.77
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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.