Finding the Fourth Proportional to 33,228,972.18, 45,855,883.38 and 18,544,482.18
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Solution
The fourth proportional to 33,228,972.18, 45,855,883.38 and 18,544,482.18 is: 25,591,330.59
Step by Step Solution
- Step 1: Write the proportion equation
33,228,972.18 : 45,855,883.38 = 18,544,482.18 : x - Step 2: Convert to fraction form
33,228,972.18/45,855,883.38 = 18,544,482.18/x - Step 3: Cross multiply
33,228,972.18x = 45,855,883.38 × 18,544,482.18 - Step 4: Simplify right side
33,228,972.18x = 850,373,612,188,568.25 - Step 5: Solve for x
x = 850,373,612,188,568.25/33,228,972.18 - Step 6: Final answer
x = 25,591,330.59
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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.