Finding the Fourth Proportional to 11,164,515.60, 16,746,773.40 and 4,775,413.80
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Solution
The fourth proportional to 11,164,515.60, 16,746,773.40 and 4,775,413.80 is: 7,163,120.70
Step by Step Solution
- Step 1: Write the proportion equation
11,164,515.60 : 16,746,773.40 = 4,775,413.80 : x - Step 2: Convert to fraction form
11,164,515.60/16,746,773.40 = 4,775,413.80/x - Step 3: Cross multiply
11,164,515.60x = 16,746,773.40 × 4,775,413.80 - Step 4: Simplify right side
11,164,515.60x = 79,972,772,799,832.92 - Step 5: Solve for x
x = 79,972,772,799,832.92/11,164,515.60 - Step 6: Final answer
x = 7,163,120.70
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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.