Finding the Fourth Proportional to 23,794,413.75, 32,836,487.81 and 12,929,397.75
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Solution
The fourth proportional to 23,794,413.75, 32,836,487.81 and 12,929,397.75 is: 17,842,675.85
Step by Step Solution
- Step 1: Write the proportion equation
23,794,413.75 : 32,836,487.81 = 12,929,397.75 : x - Step 2: Convert to fraction form
23,794,413.75/32,836,487.81 = 12,929,397.75/x - Step 3: Cross multiply
23,794,413.75x = 32,836,487.81 × 12,929,397.75 - Step 4: Simplify right side
23,794,413.75x = 424,556,011,543,869.44 - Step 5: Solve for x
x = 424,556,011,543,869.44/23,794,413.75 - Step 6: Final answer
x = 17,842,675.85
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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.