Finding the Fourth Proportional to 11,274,941.94, 16,906,901.64 and 7,864,862.19
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Solution
The fourth proportional to 11,274,941.94, 16,906,901.64 and 7,864,862.19 is: 11,793,448.89
Step by Step Solution
- Step 1: Write the proportion equation
11,274,941.94 : 16,906,901.64 = 7,864,862.19 : x - Step 2: Convert to fraction form
11,274,941.94/16,906,901.64 = 7,864,862.19/x - Step 3: Cross multiply
11,274,941.94x = 16,906,901.64 × 7,864,862.19 - Step 4: Simplify right side
11,274,941.94x = 132,970,451,458,485 - Step 5: Solve for x
x = 132,970,451,458,485/11,274,941.94 - Step 6: Final answer
x = 11,793,448.89
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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.