Finding the Fourth Proportional to 47,990,180.16, 71,992,735.20 and 15,634,550.34
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Solution
The fourth proportional to 47,990,180.16, 71,992,735.20 and 15,634,550.34 is: 23,454,257.49
Step by Step Solution
- Step 1: Write the proportion equation
47,990,180.16 : 71,992,735.20 = 15,634,550.34 : x - Step 2: Convert to fraction form
47,990,180.16/71,992,735.20 = 15,634,550.34/x - Step 3: Cross multiply
47,990,180.16x = 71,992,735.20 × 15,634,550.34 - Step 4: Simplify right side
47,990,180.16x = 1,125,574,042,598,690 - Step 5: Solve for x
x = 1,125,574,042,598,690/47,990,180.16 - Step 6: Final answer
x = 23,454,257.49
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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.