Finding the Fourth Proportional to 18,077,474.60, 24,940,845.68 and 10,235,915.12
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Solution
The fourth proportional to 18,077,474.60, 24,940,845.68 and 10,235,915.12 is: 14,122,126.30
Step by Step Solution
- Step 1: Write the proportion equation
18,077,474.60 : 24,940,845.68 = 10,235,915.12 : x - Step 2: Convert to fraction form
18,077,474.60/24,940,845.68 = 10,235,915.12/x - Step 3: Cross multiply
18,077,474.60x = 24,940,845.68 × 10,235,915.12 - Step 4: Simplify right side
18,077,474.60x = 255,292,379,401,498.66 - Step 5: Solve for x
x = 255,292,379,401,498.66/18,077,474.60 - Step 6: Final answer
x = 14,122,126.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.