Finding the Fourth Proportional to 7,642,478.44, 10,546,703.72 and 4,157,836.91
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Solution
The fourth proportional to 7,642,478.44, 10,546,703.72 and 4,157,836.91 is: 5,737,860.35
Step by Step Solution
- Step 1: Write the proportion equation
7,642,478.44 : 10,546,703.72 = 4,157,836.91 : x - Step 2: Convert to fraction form
7,642,478.44/10,546,703.72 = 4,157,836.91/x - Step 3: Cross multiply
7,642,478.44x = 10,546,703.72 × 4,157,836.91 - Step 4: Simplify right side
7,642,478.44x = 43,851,474,005,850.31 - Step 5: Solve for x
x = 43,851,474,005,850.31/7,642,478.44 - Step 6: Final answer
x = 5,737,860.35
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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.