Finding the Fourth Proportional to 11,274,723.36, 15,552,611.28 and 7,195,744.80
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Solution
The fourth proportional to 11,274,723.36, 15,552,611.28 and 7,195,744.80 is: 9,925,974.96
Step by Step Solution
- Step 1: Write the proportion equation
11,274,723.36 : 15,552,611.28 = 7,195,744.80 : x - Step 2: Convert to fraction form
11,274,723.36/15,552,611.28 = 7,195,744.80/x - Step 3: Cross multiply
11,274,723.36x = 15,552,611.28 × 7,195,744.80 - Step 4: Simplify right side
11,274,723.36x = 111,912,621,744,481.34 - Step 5: Solve for x
x = 111,912,621,744,481.34/11,274,723.36 - Step 6: Final answer
x = 9,925,974.96
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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.