Finding the Fourth Proportional to 16,128,426.60, 24,192,639.90 and 8,066,269.80
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Solution
The fourth proportional to 16,128,426.60, 24,192,639.90 and 8,066,269.80 is: 12,099,404.70
Step by Step Solution
- Step 1: Write the proportion equation
16,128,426.60 : 24,192,639.90 = 8,066,269.80 : x - Step 2: Convert to fraction form
16,128,426.60/24,192,639.90 = 8,066,269.80/x - Step 3: Cross multiply
16,128,426.60x = 24,192,639.90 × 8,066,269.80 - Step 4: Simplify right side
16,128,426.60x = 195,144,360,607,645 - Step 5: Solve for x
x = 195,144,360,607,645/16,128,426.60 - Step 6: Final answer
x = 12,099,404.70
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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.