Finding the Fourth Proportional to 7,621,440.36, 10,517,546.32 and 4,183,739.88
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Solution
The fourth proportional to 7,621,440.36, 10,517,546.32 and 4,183,739.88 is: 5,773,538.32
Step by Step Solution
- Step 1: Write the proportion equation
7,621,440.36 : 10,517,546.32 = 4,183,739.88 : x - Step 2: Convert to fraction form
7,621,440.36/10,517,546.32 = 4,183,739.88/x - Step 3: Cross multiply
7,621,440.36x = 10,517,546.32 × 4,183,739.88 - Step 4: Simplify right side
7,621,440.36x = 44,002,677,978,731.24 - Step 5: Solve for x
x = 44,002,677,978,731.24/7,621,440.36 - Step 6: Final answer
x = 5,773,538.32
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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.