Finding the Fourth Proportional to 16,128,512.10, 24,192,768.15 and 8,066,355.30
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Solution
The fourth proportional to 16,128,512.10, 24,192,768.15 and 8,066,355.30 is: 12,099,532.95
Step by Step Solution
- Step 1: Write the proportion equation
16,128,512.10 : 24,192,768.15 = 8,066,355.30 : x - Step 2: Convert to fraction form
16,128,512.10/24,192,768.15 = 8,066,355.30/x - Step 3: Cross multiply
16,128,512.10x = 24,192,768.15 × 8,066,355.30 - Step 4: Simplify right side
16,128,512.10x = 195,147,463,588,423.69 - Step 5: Solve for x
x = 195,147,463,588,423.69/16,128,512.10 - Step 6: Final answer
x = 12,099,532.95
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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.