Finding the Fourth Proportional to 8,994,649.75, 12,412,616.48 and 4,864,680.79
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Solution
The fourth proportional to 8,994,649.75, 12,412,616.48 and 4,864,680.79 is: 6,713,259.39
Step by Step Solution
- Step 1: Write the proportion equation
8,994,649.75 : 12,412,616.48 = 4,864,680.79 : x - Step 2: Convert to fraction form
8,994,649.75/12,412,616.48 = 4,864,680.79/x - Step 3: Cross multiply
8,994,649.75x = 12,412,616.48 × 4,864,680.79 - Step 4: Simplify right side
8,994,649.75x = 60,383,416,906,781.02 - Step 5: Solve for x
x = 60,383,416,906,781.02/8,994,649.75 - Step 6: Final answer
x = 6,713,259.39
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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.