Finding the Fourth Proportional to 19,729,524.20, 29,566,292.70 and 14,571,703.40
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Solution
The fourth proportional to 19,729,524.20, 29,566,292.70 and 14,571,703.40 is: 21,836,879.77
Step by Step Solution
- Step 1: Write the proportion equation
19,729,524.20 : 29,566,292.70 = 14,571,703.40 : x - Step 2: Convert to fraction form
19,729,524.20/29,566,292.70 = 14,571,703.40/x - Step 3: Cross multiply
19,729,524.20x = 29,566,292.70 × 14,571,703.40 - Step 4: Simplify right side
19,729,524.20x = 430,831,247,861,985.19 - Step 5: Solve for x
x = 430,831,247,861,985.19/19,729,524.20 - Step 6: Final answer
x = 21,836,879.77
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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.