Finding the Fourth Proportional to 8,743,975.20, 13,115,962.80 and 8,177,104.80
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Solution
The fourth proportional to 8,743,975.20, 13,115,962.80 and 8,177,104.80 is: 12,265,657.20
Step by Step Solution
- Step 1: Write the proportion equation
8,743,975.20 : 13,115,962.80 = 8,177,104.80 : x - Step 2: Convert to fraction form
8,743,975.20/13,115,962.80 = 8,177,104.80/x - Step 3: Cross multiply
8,743,975.20x = 13,115,962.80 × 8,177,104.80 - Step 4: Simplify right side
8,743,975.20x = 107,250,602,368,501.44 - Step 5: Solve for x
x = 107,250,602,368,501.44/8,743,975.20 - Step 6: Final answer
x = 12,265,657.20
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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.