Finding the Fourth Proportional to 7,163,704.80, 10,745,557.20 and 6,743,455.20
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Solution
The fourth proportional to 7,163,704.80, 10,745,557.20 and 6,743,455.20 is: 10,115,182.80
Step by Step Solution
- Step 1: Write the proportion equation
7,163,704.80 : 10,745,557.20 = 6,743,455.20 : x - Step 2: Convert to fraction form
7,163,704.80/10,745,557.20 = 6,743,455.20/x - Step 3: Cross multiply
7,163,704.80x = 10,745,557.20 × 6,743,455.20 - Step 4: Simplify right side
7,163,704.80x = 72,462,183,577,237.44 - Step 5: Solve for x
x = 72,462,183,577,237.44/7,163,704.80 - Step 6: Final answer
x = 10,115,182.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.