Finding the Fourth Proportional to 43,673,462.61, 65,507,831.96 and 13,381,413.09
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Solution
The fourth proportional to 43,673,462.61, 65,507,831.96 and 13,381,413.09 is: 20,071,395.94
Step by Step Solution
- Step 1: Write the proportion equation
43,673,462.61 : 65,507,831.96 = 13,381,413.09 : x - Step 2: Convert to fraction form
43,673,462.61/65,507,831.96 = 13,381,413.09/x - Step 3: Cross multiply
43,673,462.61x = 65,507,831.96 × 13,381,413.09 - Step 4: Simplify right side
43,673,462.61x = 876,587,360,020,157.25 - Step 5: Solve for x
x = 876,587,360,020,157.25/43,673,462.61 - Step 6: Final answer
x = 20,071,395.94
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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.