Finding the Fourth Proportional to 16,128,413.60, 24,192,620.40 and 4,767,850.40
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Solution
The fourth proportional to 16,128,413.60, 24,192,620.40 and 4,767,850.40 is: 7,151,775.60
Step by Step Solution
- Step 1: Write the proportion equation
16,128,413.60 : 24,192,620.40 = 4,767,850.40 : x - Step 2: Convert to fraction form
16,128,413.60/24,192,620.40 = 4,767,850.40/x - Step 3: Cross multiply
16,128,413.60x = 24,192,620.40 × 4,767,850.40 - Step 4: Simplify right side
16,128,413.60x = 115,346,794,851,188.16 - Step 5: Solve for x
x = 115,346,794,851,188.16/16,128,413.60 - Step 6: Final answer
x = 7,151,775.60
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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.