Finding the Fourth Proportional to 22,124,028.80, 33,180,513.60 and 8,474,211.20
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Solution
The fourth proportional to 22,124,028.80, 33,180,513.60 and 8,474,211.20 is: 12,709,198.79
Step by Step Solution
- Step 1: Write the proportion equation
22,124,028.80 : 33,180,513.60 = 8,474,211.20 : x - Step 2: Convert to fraction form
22,124,028.80/33,180,513.60 = 8,474,211.20/x - Step 3: Cross multiply
22,124,028.80x = 33,180,513.60 × 8,474,211.20 - Step 4: Simplify right side
22,124,028.80x = 281,178,679,970,872.31 - Step 5: Solve for x
x = 281,178,679,970,872.31/22,124,028.80 - Step 6: Final answer
x = 12,709,198.79
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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.