Finding the Fourth Proportional to 43,884,220.87, 65,853,236.94 and 19,643,644.09
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Solution
The fourth proportional to 43,884,220.87, 65,853,236.94 and 19,643,644.09 is: 29,477,509.75
Step by Step Solution
- Step 1: Write the proportion equation
43,884,220.87 : 65,853,236.94 = 19,643,644.09 : x - Step 2: Convert to fraction form
43,884,220.87/65,853,236.94 = 19,643,644.09/x - Step 3: Cross multiply
43,884,220.87x = 65,853,236.94 × 19,643,644.09 - Step 4: Simplify right side
43,884,220.87x = 1,293,597,548,623,800.75 - Step 5: Solve for x
x = 1,293,597,548,623,800.75/43,884,220.87 - Step 6: Final answer
x = 29,477,509.75
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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.