Finding the Fourth Proportional to 14,674,953.20, 22,015,540.20 and 4,438,972.40
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Solution
The fourth proportional to 14,674,953.20, 22,015,540.20 and 4,438,972.40 is: 6,659,399.45
Step by Step Solution
- Step 1: Write the proportion equation
14,674,953.20 : 22,015,540.20 = 4,438,972.40 : x - Step 2: Convert to fraction form
14,674,953.20/22,015,540.20 = 4,438,972.40/x - Step 3: Cross multiply
14,674,953.20x = 22,015,540.20 × 4,438,972.40 - Step 4: Simplify right side
14,674,953.20x = 97,726,375,318,890.48 - Step 5: Solve for x
x = 97,726,375,318,890.48/14,674,953.20 - Step 6: Final answer
x = 6,659,399.45
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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.