Finding the Fourth Proportional to 11,348,381.80, 17,022,572.70 and 5,376,413.80
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Solution
The fourth proportional to 11,348,381.80, 17,022,572.70 and 5,376,413.80 is: 8,064,620.70
Step by Step Solution
- Step 1: Write the proportion equation
11,348,381.80 : 17,022,572.70 = 5,376,413.80 : x - Step 2: Convert to fraction form
11,348,381.80/17,022,572.70 = 5,376,413.80/x - Step 3: Cross multiply
11,348,381.80x = 17,022,572.70 × 5,376,413.80 - Step 4: Simplify right side
11,348,381.80x = 91,520,394,775,783.25 - Step 5: Solve for x
x = 91,520,394,775,783.25/11,348,381.80 - Step 6: Final answer
x = 8,064,620.70
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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.