Finding the Fourth Proportional to 30,288,208.86, 41,797,711.53 and 16,537,172.99
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Solution
The fourth proportional to 30,288,208.86, 41,797,711.53 and 16,537,172.99 is: 22,821,289.61
Step by Step Solution
- Step 1: Write the proportion equation
30,288,208.86 : 41,797,711.53 = 16,537,172.99 : x - Step 2: Convert to fraction form
30,288,208.86/41,797,711.53 = 16,537,172.99/x - Step 3: Cross multiply
30,288,208.86x = 41,797,711.53 × 16,537,172.99 - Step 4: Simplify right side
30,288,208.86x = 691,215,986,157,727.62 - Step 5: Solve for x
x = 691,215,986,157,727.62/30,288,208.86 - Step 6: Final answer
x = 22,821,289.61
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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.