Finding the Fourth Proportional to 6,635,194.32, 9,151,851.36 and 4,428,944.75
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Solution
The fourth proportional to 6,635,194.32, 9,151,851.36 and 4,428,944.75 is: 6,108,795.32
Step by Step Solution
- Step 1: Write the proportion equation
6,635,194.32 : 9,151,851.36 = 4,428,944.75 : x - Step 2: Convert to fraction form
6,635,194.32/9,151,851.36 = 4,428,944.75/x - Step 3: Cross multiply
6,635,194.32x = 9,151,851.36 × 4,428,944.75 - Step 4: Simplify right side
6,635,194.32x = 40,533,043,987,893.10 - Step 5: Solve for x
x = 40,533,043,987,893.10/6,635,194.32 - Step 6: Final answer
x = 6,108,795.32
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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.