Finding the Fourth Proportional to 30,170,827, 41,628,480.42 and 17,781,413.68
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Solution
The fourth proportional to 30,170,827, 41,628,480.42 and 17,781,413.68 is: 24,534,071.65
Step by Step Solution
- Step 1: Write the proportion equation
30,170,827 : 41,628,480.42 = 17,781,413.68 : x - Step 2: Convert to fraction form
30,170,827/41,628,480.42 = 17,781,413.68/x - Step 3: Cross multiply
30,170,827x = 41,628,480.42 × 17,781,413.68 - Step 4: Simplify right side
30,170,827x = 740,213,231,217,800.12 - Step 5: Solve for x
x = 740,213,231,217,800.12/30,170,827 - Step 6: Final answer
x = 24,534,071.65
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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.