Finding the Fourth Proportional to 13,286,554.82, 19,929,832.49 and 3,189,175.82
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Solution
The fourth proportional to 13,286,554.82, 19,929,832.49 and 3,189,175.82 is: 4,783,763.79
Step by Step Solution
- Step 1: Write the proportion equation
13,286,554.82 : 19,929,832.49 = 3,189,175.82 : x - Step 2: Convert to fraction form
13,286,554.82/19,929,832.49 = 3,189,175.82/x - Step 3: Cross multiply
13,286,554.82x = 19,929,832.49 × 3,189,175.82 - Step 4: Simplify right side
13,286,554.82x = 63,559,739,791,795.23 - Step 5: Solve for x
x = 63,559,739,791,795.23/13,286,554.82 - Step 6: Final answer
x = 4,783,763.79
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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.