Finding the Fourth Proportional to 8,438,251.96, 11,644,514.34 and 4,716,983.98
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Solution
The fourth proportional to 8,438,251.96, 11,644,514.34 and 4,716,983.98 is: 6,509,285.08
Step by Step Solution
- Step 1: Write the proportion equation
8,438,251.96 : 11,644,514.34 = 4,716,983.98 : x - Step 2: Convert to fraction form
8,438,251.96/11,644,514.34 = 4,716,983.98/x - Step 3: Cross multiply
8,438,251.96x = 11,644,514.34 × 4,716,983.98 - Step 4: Simplify right side
8,438,251.96x = 54,926,987,596,660.28 - Step 5: Solve for x
x = 54,926,987,596,660.28/8,438,251.96 - Step 6: Final answer
x = 6,509,285.08
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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.