Finding the Fourth Proportional to 8,167,204.80, 11,269,480.68 and 4,728,781.62
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Solution
The fourth proportional to 8,167,204.80, 11,269,480.68 and 4,728,781.62 is: 6,524,987.97
Step by Step Solution
- Step 1: Write the proportion equation
8,167,204.80 : 11,269,480.68 = 4,728,781.62 : x - Step 2: Convert to fraction form
8,167,204.80/11,269,480.68 = 4,728,781.62/x - Step 3: Cross multiply
8,167,204.80x = 11,269,480.68 × 4,728,781.62 - Step 4: Simplify right side
8,167,204.80x = 53,290,913,106,529.10 - Step 5: Solve for x
x = 53,290,913,106,529.10/8,167,204.80 - Step 6: Final answer
x = 6,524,987.97
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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.