Finding the Fourth Proportional to 30,274,084.80, 45,406,215.36 and 8,703,771.84
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Solution
The fourth proportional to 30,274,084.80, 45,406,215.36 and 8,703,771.84 is: 13,054,245.61
Step by Step Solution
- Step 1: Write the proportion equation
30,274,084.80 : 45,406,215.36 = 8,703,771.84 : x - Step 2: Convert to fraction form
30,274,084.80/45,406,215.36 = 8,703,771.84/x - Step 3: Cross multiply
30,274,084.80x = 45,406,215.36 × 8,703,771.84 - Step 4: Simplify right side
30,274,084.80x = 395,205,338,611,343.44 - Step 5: Solve for x
x = 395,205,338,611,343.44/30,274,084.80 - Step 6: Final answer
x = 13,054,245.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.