Finding the Fourth Proportional to 39,476,413.80, 59,214,620.70 and 30,507,402.60
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Solution
The fourth proportional to 39,476,413.80, 59,214,620.70 and 30,507,402.60 is: 45,761,103.90
Step by Step Solution
- Step 1: Write the proportion equation
39,476,413.80 : 59,214,620.70 = 30,507,402.60 : x - Step 2: Convert to fraction form
39,476,413.80/59,214,620.70 = 30,507,402.60/x - Step 3: Cross multiply
39,476,413.80x = 59,214,620.70 × 30,507,402.60 - Step 4: Simplify right side
39,476,413.80x = 1,806,484,273,501,194 - Step 5: Solve for x
x = 1,806,484,273,501,194/39,476,413.80 - Step 6: Final answer
x = 45,761,103.90
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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.