Finding the Fourth Proportional to 18,573,063.91, 27,734,528.50 and 15,168,109.95
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Solution
The fourth proportional to 18,573,063.91, 27,734,528.50 and 15,168,109.95 is: 22,650,025.85
Step by Step Solution
- Step 1: Write the proportion equation
18,573,063.91 : 27,734,528.50 = 15,168,109.95 : x - Step 2: Convert to fraction form
18,573,063.91/27,734,528.50 = 15,168,109.95/x - Step 3: Cross multiply
18,573,063.91x = 27,734,528.50 × 15,168,109.95 - Step 4: Simplify right side
18,573,063.91x = 420,680,377,661,488.25 - Step 5: Solve for x
x = 420,680,377,661,488.25/18,573,063.91 - Step 6: Final answer
x = 22,650,025.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.