Finding the Fourth Proportional to 16,171,115.70, 24,256,673.55 and 15,852,251.10
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Solution
The fourth proportional to 16,171,115.70, 24,256,673.55 and 15,852,251.10 is: 23,778,376.65
Step by Step Solution
- Step 1: Write the proportion equation
16,171,115.70 : 24,256,673.55 = 15,852,251.10 : x - Step 2: Convert to fraction form
16,171,115.70/24,256,673.55 = 15,852,251.10/x - Step 3: Cross multiply
16,171,115.70x = 24,256,673.55 × 15,852,251.10 - Step 4: Simplify right side
16,171,115.70x = 384,522,879,965,328.44 - Step 5: Solve for x
x = 384,522,879,965,328.44/16,171,115.70 - Step 6: Final answer
x = 23,778,376.65
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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.