Finding the Fourth Proportional to 11,831,197.40, 16,327,052.40 and 6,398,689.40
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Solution
The fourth proportional to 11,831,197.40, 16,327,052.40 and 6,398,689.40 is: 8,830,191.37
Step by Step Solution
- Step 1: Write the proportion equation
11,831,197.40 : 16,327,052.40 = 6,398,689.40 : x - Step 2: Convert to fraction form
11,831,197.40/16,327,052.40 = 6,398,689.40/x - Step 3: Cross multiply
11,831,197.40x = 16,327,052.40 × 6,398,689.40 - Step 4: Simplify right side
11,831,197.40x = 104,471,737,125,124.56 - Step 5: Solve for x
x = 104,471,737,125,124.56/11,831,197.40 - Step 6: Final answer
x = 8,830,191.37
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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.