Finding the Fourth Proportional to 12,207,209.24, 18,310,239.12 and 4,532,380.76
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Solution
The fourth proportional to 12,207,209.24, 18,310,239.12 and 4,532,380.76 is: 6,798,357.75
Step by Step Solution
- Step 1: Write the proportion equation
12,207,209.24 : 18,310,239.12 = 4,532,380.76 : x - Step 2: Convert to fraction form
12,207,209.24/18,310,239.12 = 4,532,380.76/x - Step 3: Cross multiply
12,207,209.24x = 18,310,239.12 × 4,532,380.76 - Step 4: Simplify right side
12,207,209.24x = 82,988,975,498,487.33 - Step 5: Solve for x
x = 82,988,975,498,487.33/12,207,209.24 - Step 6: Final answer
x = 6,798,357.75
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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.