Finding the Fourth Proportional to 16,170,902.20, 24,256,353.30 and 8,085,125.80
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Solution
The fourth proportional to 16,170,902.20, 24,256,353.30 and 8,085,125.80 is: 12,127,688.70
Step by Step Solution
- Step 1: Write the proportion equation
16,170,902.20 : 24,256,353.30 = 8,085,125.80 : x - Step 2: Convert to fraction form
16,170,902.20/24,256,353.30 = 8,085,125.80/x - Step 3: Cross multiply
16,170,902.20x = 24,256,353.30 × 8,085,125.80 - Step 4: Simplify right side
16,170,902.20x = 196,115,667,879,745.16 - Step 5: Solve for x
x = 196,115,667,879,745.16/16,170,902.20 - Step 6: Final answer
x = 12,127,688.70
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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.