Finding the Fourth Proportional to 17,486,957.80, 26,230,436.70 and 5,519,693.80
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Solution
The fourth proportional to 17,486,957.80, 26,230,436.70 and 5,519,693.80 is: 8,279,540.70
Step by Step Solution
- Step 1: Write the proportion equation
17,486,957.80 : 26,230,436.70 = 5,519,693.80 : x - Step 2: Convert to fraction form
17,486,957.80/26,230,436.70 = 5,519,693.80/x - Step 3: Cross multiply
17,486,957.80x = 26,230,436.70 × 5,519,693.80 - Step 4: Simplify right side
17,486,957.80x = 144,783,978,824,282.44 - Step 5: Solve for x
x = 144,783,978,824,282.44/17,486,957.80 - Step 6: Final answer
x = 8,279,540.70
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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.