Finding the Fourth Proportional to 36,403,391.16, 50,236,349.07 and 19,883,512.29
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Solution
The fourth proportional to 36,403,391.16, 50,236,349.07 and 19,883,512.29 is: 27,439,066.32
Step by Step Solution
- Step 1: Write the proportion equation
36,403,391.16 : 50,236,349.07 = 19,883,512.29 : x - Step 2: Convert to fraction form
36,403,391.16/50,236,349.07 = 19,883,512.29/x - Step 3: Cross multiply
36,403,391.16x = 50,236,349.07 × 19,883,512.29 - Step 4: Simplify right side
36,403,391.16x = 998,875,064,138,075 - Step 5: Solve for x
x = 998,875,064,138,075/36,403,391.16 - Step 6: Final answer
x = 27,439,066.32
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1.5x scale
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.