Finding the Fourth Proportional to 16,242,669.75, 22,414,884.27 and 8,999,325.75
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Solution
The fourth proportional to 16,242,669.75, 22,414,884.27 and 8,999,325.75 is: 12,419,069.54
Step by Step Solution
- Step 1: Write the proportion equation
16,242,669.75 : 22,414,884.27 = 8,999,325.75 : x - Step 2: Convert to fraction form
16,242,669.75/22,414,884.27 = 8,999,325.75/x - Step 3: Cross multiply
16,242,669.75x = 22,414,884.27 × 8,999,325.75 - Step 4: Simplify right side
16,242,669.75x = 201,718,845,194,280.94 - Step 5: Solve for x
x = 201,718,845,194,280.94/16,242,669.75 - Step 6: Final answer
x = 12,419,069.54
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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.