Finding the Fourth Proportional to 18,358,220.80, 27,504,153.60 and 16,234,854.40
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Solution
The fourth proportional to 18,358,220.80, 27,504,153.60 and 16,234,854.40 is: 24,322,941.42
Step by Step Solution
- Step 1: Write the proportion equation
18,358,220.80 : 27,504,153.60 = 16,234,854.40 : x - Step 2: Convert to fraction form
18,358,220.80/27,504,153.60 = 16,234,854.40/x - Step 3: Cross multiply
18,358,220.80x = 27,504,153.60 × 16,234,854.40 - Step 4: Simplify right side
18,358,220.80x = 446,525,929,091,235.88 - Step 5: Solve for x
x = 446,525,929,091,235.88/18,358,220.80 - Step 6: Final answer
x = 24,322,941.42
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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.