Finding the Fourth Proportional to 10,002,134.97, 13,802,926.08 and 5,418,467.28
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Solution
The fourth proportional to 10,002,134.97, 13,802,926.08 and 5,418,467.28 is: 7,477,473.92
Step by Step Solution
- Step 1: Write the proportion equation
10,002,134.97 : 13,802,926.08 = 5,418,467.28 : x - Step 2: Convert to fraction form
10,002,134.97/13,802,926.08 = 5,418,467.28/x - Step 3: Cross multiply
10,002,134.97x = 13,802,926.08 × 5,418,467.28 - Step 4: Simplify right side
10,002,134.97x = 74,790,703,332,738.67 - Step 5: Solve for x
x = 74,790,703,332,738.67/10,002,134.97 - Step 6: Final answer
x = 7,477,473.92
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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.