Finding the Fourth Proportional to 18,202,496.36, 27,293,181.33 and 8,617,793.90
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Solution
The fourth proportional to 18,202,496.36, 27,293,181.33 and 8,617,793.90 is: 12,921,689.80
Step by Step Solution
- Step 1: Write the proportion equation
18,202,496.36 : 27,293,181.33 = 8,617,793.90 : x - Step 2: Convert to fraction form
18,202,496.36/27,293,181.33 = 8,617,793.90/x - Step 3: Cross multiply
18,202,496.36x = 27,293,181.33 × 8,617,793.90 - Step 4: Simplify right side
18,202,496.36x = 235,207,011,577,267.88 - Step 5: Solve for x
x = 235,207,011,577,267.88/18,202,496.36 - Step 6: Final answer
x = 12,921,689.80
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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.