Finding the Fourth Proportional to 7,627,227.80, 11,435,294.64 and 3,581,630.96
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Solution
The fourth proportional to 7,627,227.80, 11,435,294.64 and 3,581,630.96 is: 5,369,841.62
Step by Step Solution
- Step 1: Write the proportion equation
7,627,227.80 : 11,435,294.64 = 3,581,630.96 : x - Step 2: Convert to fraction form
7,627,227.80/11,435,294.64 = 3,581,630.96/x - Step 3: Cross multiply
7,627,227.80x = 11,435,294.64 × 3,581,630.96 - Step 4: Simplify right side
7,627,227.80x = 40,957,005,319,346.05 - Step 5: Solve for x
x = 40,957,005,319,346.05/7,627,227.80 - Step 6: Final answer
x = 5,369,841.62
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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.