Finding the Fourth Proportional to 7,631,013.61, 10,520,276.11 and 6,087,514.06
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Solution
The fourth proportional to 7,631,013.61, 10,520,276.11 and 6,087,514.06 is: 8,392,375.12
Step by Step Solution
- Step 1: Write the proportion equation
7,631,013.61 : 10,520,276.11 = 6,087,514.06 : x - Step 2: Convert to fraction form
7,631,013.61/10,520,276.11 = 6,087,514.06/x - Step 3: Cross multiply
7,631,013.61x = 10,520,276.11 × 6,087,514.06 - Step 4: Simplify right side
7,631,013.61x = 64,042,328,734,707.10 - Step 5: Solve for x
x = 64,042,328,734,707.10/7,631,013.61 - Step 6: Final answer
x = 8,392,375.12
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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.