Finding the Fourth Proportional to 35,798,614.80, 49,402,413.36 and 21,670,125.84
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Solution
The fourth proportional to 35,798,614.80, 49,402,413.36 and 21,670,125.84 is: 29,904,970.35
Step by Step Solution
- Step 1: Write the proportion equation
35,798,614.80 : 49,402,413.36 = 21,670,125.84 : x - Step 2: Convert to fraction form
35,798,614.80/49,402,413.36 = 21,670,125.84/x - Step 3: Cross multiply
35,798,614.80x = 49,402,413.36 × 21,670,125.84 - Step 4: Simplify right side
35,798,614.80x = 1,070,556,514,310,897.25 - Step 5: Solve for x
x = 1,070,556,514,310,897.25/35,798,614.80 - Step 6: Final answer
x = 29,904,970.35
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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.