Finding the Fourth Proportional to 39,691,231.20, 54,770,087.12 and 22,283,586
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Solution
The fourth proportional to 39,691,231.20, 54,770,087.12 and 22,283,586 is: 30,749,208.57
Step by Step Solution
- Step 1: Write the proportion equation
39,691,231.20 : 54,770,087.12 = 22,283,586 : x - Step 2: Convert to fraction form
39,691,231.20/54,770,087.12 = 22,283,586/x - Step 3: Cross multiply
39,691,231.20x = 54,770,087.12 × 22,283,586 - Step 4: Simplify right side
39,691,231.20x = 1,220,473,946,454,594.50 - Step 5: Solve for x
x = 1,220,473,946,454,594.50/39,691,231.20 - Step 6: Final answer
x = 30,749,208.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.