Finding the Fourth Proportional to 16,128,717.60, 24,193,076.80 and 16,016,743.20
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Solution
The fourth proportional to 16,128,717.60, 24,193,076.80 and 16,016,743.20 is: 24,025,115.20
Step by Step Solution
- Step 1: Write the proportion equation
16,128,717.60 : 24,193,076.80 = 16,016,743.20 : x - Step 2: Convert to fraction form
16,128,717.60/24,193,076.80 = 16,016,743.20/x - Step 3: Cross multiply
16,128,717.60x = 24,193,076.80 × 16,016,743.20 - Step 4: Simplify right side
16,128,717.60x = 387,494,298,323,477.75 - Step 5: Solve for x
x = 387,494,298,323,477.75/16,128,717.60 - Step 6: Final answer
x = 24,025,115.20
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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.