Finding the Fourth Proportional to 18,582,826.20, 27,850,619.70 and 8,977,522.20
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Solution
The fourth proportional to 18,582,826.20, 27,850,619.70 and 8,977,522.20 is: 13,454,872.47
Step by Step Solution
- Step 1: Write the proportion equation
18,582,826.20 : 27,850,619.70 = 8,977,522.20 : x - Step 2: Convert to fraction form
18,582,826.20/27,850,619.70 = 8,977,522.20/x - Step 3: Cross multiply
18,582,826.20x = 27,850,619.70 × 8,977,522.20 - Step 4: Simplify right side
18,582,826.20x = 250,029,556,640,507.31 - Step 5: Solve for x
x = 250,029,556,640,507.31/18,582,826.20 - Step 6: Final answer
x = 13,454,872.47
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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.