Finding the Fourth Proportional to 18,227,228.40, 27,340,842.60 and 17,943,793.20
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Solution
The fourth proportional to 18,227,228.40, 27,340,842.60 and 17,943,793.20 is: 26,915,689.80
Step by Step Solution
- Step 1: Write the proportion equation
18,227,228.40 : 27,340,842.60 = 17,943,793.20 : x - Step 2: Convert to fraction form
18,227,228.40/27,340,842.60 = 17,943,793.20/x - Step 3: Cross multiply
18,227,228.40x = 27,340,842.60 × 17,943,793.20 - Step 4: Simplify right side
18,227,228.40x = 490,598,425,528,150.31 - Step 5: Solve for x
x = 490,598,425,528,150.31/18,227,228.40 - Step 6: Final answer
x = 26,915,689.80
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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.