Finding the Fourth Proportional to 7,381,149.05, 10,185,992.06 and 4,117,964.49
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Solution
The fourth proportional to 7,381,149.05, 10,185,992.06 and 4,117,964.49 is: 5,682,794.55
Step by Step Solution
- Step 1: Write the proportion equation
7,381,149.05 : 10,185,992.06 = 4,117,964.49 : x - Step 2: Convert to fraction form
7,381,149.05/10,185,992.06 = 4,117,964.49/x - Step 3: Cross multiply
7,381,149.05x = 10,185,992.06 × 4,117,964.49 - Step 4: Simplify right side
7,381,149.05x = 41,945,553,577,912.12 - Step 5: Solve for x
x = 41,945,553,577,912.12/7,381,149.05 - Step 6: Final answer
x = 5,682,794.55
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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.