Finding the Fourth Proportional to 7,639,163.02, 11,458,578.06 and 3,593,408.34
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Solution
The fourth proportional to 7,639,163.02, 11,458,578.06 and 3,593,408.34 is: 5,390,034.20
Step by Step Solution
- Step 1: Write the proportion equation
7,639,163.02 : 11,458,578.06 = 3,593,408.34 : x - Step 2: Convert to fraction form
7,639,163.02/11,458,578.06 = 3,593,408.34/x - Step 3: Cross multiply
7,639,163.02x = 11,458,578.06 × 3,593,408.34 - Step 4: Simplify right side
7,639,163.02x = 41,175,349,965,345.02 - Step 5: Solve for x
x = 41,175,349,965,345.02/7,639,163.02 - Step 6: Final answer
x = 5,390,034.20
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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.