Finding the Fourth Proportional to 11,486,272.20, 17,226,297.90 and 3,399,232.20
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Solution
The fourth proportional to 11,486,272.20, 17,226,297.90 and 3,399,232.20 is: 5,097,927.81
Step by Step Solution
- Step 1: Write the proportion equation
11,486,272.20 : 17,226,297.90 = 3,399,232.20 : x - Step 2: Convert to fraction form
11,486,272.20/17,226,297.90 = 3,399,232.20/x - Step 3: Cross multiply
11,486,272.20x = 17,226,297.90 × 3,399,232.20 - Step 4: Simplify right side
11,486,272.20x = 58,556,186,508,472.38 - Step 5: Solve for x
x = 58,556,186,508,472.38/11,486,272.20 - Step 6: Final answer
x = 5,097,927.81
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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.