Finding the Fourth Proportional to 8,232,404.80, 12,341,234.40 and 5,393,876.80
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Solution
The fourth proportional to 8,232,404.80, 12,341,234.40 and 5,393,876.80 is: 8,085,984.54
Step by Step Solution
- Step 1: Write the proportion equation
8,232,404.80 : 12,341,234.40 = 5,393,876.80 : x - Step 2: Convert to fraction form
8,232,404.80/12,341,234.40 = 5,393,876.80/x - Step 3: Cross multiply
8,232,404.80x = 12,341,234.40 × 5,393,876.80 - Step 4: Simplify right side
8,232,404.80x = 66,567,097,913,521.92 - Step 5: Solve for x
x = 66,567,097,913,521.92/8,232,404.80 - Step 6: Final answer
x = 8,085,984.54
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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.