Finding the Fourth Proportional to 45,346,242.91, 68,019,413.64 and 11,267,588.79
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Solution
The fourth proportional to 45,346,242.91, 68,019,413.64 and 11,267,588.79 is: 16,901,395.43
Step by Step Solution
- Step 1: Write the proportion equation
45,346,242.91 : 68,019,413.64 = 11,267,588.79 : x - Step 2: Convert to fraction form
45,346,242.91/68,019,413.64 = 11,267,588.79/x - Step 3: Cross multiply
45,346,242.91x = 68,019,413.64 × 11,267,588.79 - Step 4: Simplify right side
45,346,242.91x = 766,414,782,632,437 - Step 5: Solve for x
x = 766,414,782,632,437/45,346,242.91 - Step 6: Final answer
x = 16,901,395.43
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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.