Finding the Fourth Proportional to 18,558,229.80, 27,837,344.70 and 4,911,349.80
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Solution
The fourth proportional to 18,558,229.80, 27,837,344.70 and 4,911,349.80 is: 7,367,024.70
Step by Step Solution
- Step 1: Write the proportion equation
18,558,229.80 : 27,837,344.70 = 4,911,349.80 : x - Step 2: Convert to fraction form
18,558,229.80/27,837,344.70 = 4,911,349.80/x - Step 3: Cross multiply
18,558,229.80x = 27,837,344.70 × 4,911,349.80 - Step 4: Simplify right side
18,558,229.80x = 136,718,937,324,876.05 - Step 5: Solve for x
x = 136,718,937,324,876.05/18,558,229.80 - Step 6: Final answer
x = 7,367,024.70
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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.