Finding the Fourth Proportional to 7,639,149.26, 11,458,557.43 and 3,593,394.57
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Solution
The fourth proportional to 7,639,149.26, 11,458,557.43 and 3,593,394.57 is: 5,390,013.55
Step by Step Solution
- Step 1: Write the proportion equation
7,639,149.26 : 11,458,557.43 = 3,593,394.57 : x - Step 2: Convert to fraction form
7,639,149.26/11,458,557.43 = 3,593,394.57/x - Step 3: Cross multiply
7,639,149.26x = 11,458,557.43 × 3,593,394.57 - Step 4: Simplify right side
7,639,149.26x = 41,175,118,048,995.15 - Step 5: Solve for x
x = 41,175,118,048,995.15/7,639,149.26 - Step 6: Final answer
x = 5,390,013.55
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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.