Finding the Fourth Proportional to 14,449,596.69, 19,921,153.34 and 11,479,156.06
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Solution
The fourth proportional to 14,449,596.69, 19,921,153.34 and 11,479,156.06 is: 15,825,910.78
Step by Step Solution
- Step 1: Write the proportion equation
14,449,596.69 : 19,921,153.34 = 11,479,156.06 : x - Step 2: Convert to fraction form
14,449,596.69/19,921,153.34 = 11,479,156.06/x - Step 3: Cross multiply
14,449,596.69x = 19,921,153.34 × 11,479,156.06 - Step 4: Simplify right side
14,449,596.69x = 228,678,028,063,945.25 - Step 5: Solve for x
x = 228,678,028,063,945.25/14,449,596.69 - Step 6: Final answer
x = 15,825,910.78
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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.