Finding the Fourth Proportional to 11,054,758.96, 15,248,589.84 and 7,611,021.28
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Solution
The fourth proportional to 11,054,758.96, 15,248,589.84 and 7,611,021.28 is: 10,498,405.45
Step by Step Solution
- Step 1: Write the proportion equation
11,054,758.96 : 15,248,589.84 = 7,611,021.28 : x - Step 2: Convert to fraction form
11,054,758.96/15,248,589.84 = 7,611,021.28/x - Step 3: Cross multiply
11,054,758.96x = 15,248,589.84 × 7,611,021.28 - Step 4: Simplify right side
11,054,758.96x = 116,057,341,762,231.80 - Step 5: Solve for x
x = 116,057,341,762,231.80/11,054,758.96 - Step 6: Final answer
x = 10,498,405.45
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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.