Finding the Fourth Proportional to 33,655,989.62, 46,448,956.26 and 19,530,287.84
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Solution
The fourth proportional to 33,655,989.62, 46,448,956.26 and 19,530,287.84 is: 26,953,938.83
Step by Step Solution
- Step 1: Write the proportion equation
33,655,989.62 : 46,448,956.26 = 19,530,287.84 : x - Step 2: Convert to fraction form
33,655,989.62/46,448,956.26 = 19,530,287.84/x - Step 3: Cross multiply
33,655,989.62x = 46,448,956.26 × 19,530,287.84 - Step 4: Simplify right side
33,655,989.62x = 907,161,485,625,369.88 - Step 5: Solve for x
x = 907,161,485,625,369.88/33,655,989.62 - Step 6: Final answer
x = 26,953,938.83
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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.