Finding the Fourth Proportional to 21,993,125.92, 32,988,615.87 and 8,162,775.74
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Solution
The fourth proportional to 21,993,125.92, 32,988,615.87 and 8,162,775.74 is: 12,243,765.36
Step by Step Solution
- Step 1: Write the proportion equation
21,993,125.92 : 32,988,615.87 = 8,162,775.74 : x - Step 2: Convert to fraction form
21,993,125.92/32,988,615.87 = 8,162,775.74/x - Step 3: Cross multiply
21,993,125.92x = 32,988,615.87 × 8,162,775.74 - Step 4: Simplify right side
21,993,125.92x = 269,278,673,319,815 - Step 5: Solve for x
x = 269,278,673,319,815/21,993,125.92 - Step 6: Final answer
x = 12,243,765.36
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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.