Finding the Fourth Proportional to 18,184,586.80, 27,276,880.20 and 4,721,414.80
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Solution
The fourth proportional to 18,184,586.80, 27,276,880.20 and 4,721,414.80 is: 7,082,122.20
Step by Step Solution
- Step 1: Write the proportion equation
18,184,586.80 : 27,276,880.20 = 4,721,414.80 : x - Step 2: Convert to fraction form
18,184,586.80/27,276,880.20 = 4,721,414.80/x - Step 3: Cross multiply
18,184,586.80x = 27,276,880.20 × 4,721,414.80 - Step 4: Simplify right side
18,184,586.80x = 128,785,465,874,106.95 - Step 5: Solve for x
x = 128,785,465,874,106.95/18,184,586.80 - Step 6: Final answer
x = 7,082,122.20
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1.5x scale
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.