Finding the Fourth Proportional to 14,449,790.76, 21,687,680.70 and 7,723,953.96
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Solution
The fourth proportional to 14,449,790.76, 21,687,680.70 and 7,723,953.96 is: 11,592,877.02
Step by Step Solution
- Step 1: Write the proportion equation
14,449,790.76 : 21,687,680.70 = 7,723,953.96 : x - Step 2: Convert to fraction form
14,449,790.76/21,687,680.70 = 7,723,953.96/x - Step 3: Cross multiply
14,449,790.76x = 21,687,680.70 × 7,723,953.96 - Step 4: Simplify right side
14,449,790.76x = 167,514,647,225,980.56 - Step 5: Solve for x
x = 167,514,647,225,980.56/14,449,790.76 - Step 6: Final answer
x = 11,592,877.02
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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.