Finding the Fourth Proportional to 31,942,532.13, 44,080,694.36 and 18,192,775.65
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Solution
The fourth proportional to 31,942,532.13, 44,080,694.36 and 18,192,775.65 is: 25,106,030.41
Step by Step Solution
- Step 1: Write the proportion equation
31,942,532.13 : 44,080,694.36 = 18,192,775.65 : x - Step 2: Convert to fraction form
31,942,532.13/44,080,694.36 = 18,192,775.65/x - Step 3: Cross multiply
31,942,532.13x = 44,080,694.36 × 18,192,775.65 - Step 4: Simplify right side
31,942,532.13x = 801,950,182,987,700.25 - Step 5: Solve for x
x = 801,950,182,987,700.25/31,942,532.13 - Step 6: Final answer
x = 25,106,030.41
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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.