Finding the Fourth Proportional to 25,551,967.40, 38,331,450.30 and 8,510,863.40
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Solution
The fourth proportional to 25,551,967.40, 38,331,450.30 and 8,510,863.40 is: 12,767,460.62
Step by Step Solution
- Step 1: Write the proportion equation
25,551,967.40 : 38,331,450.30 = 8,510,863.40 : x - Step 2: Convert to fraction form
25,551,967.40/38,331,450.30 = 8,510,863.40/x - Step 3: Cross multiply
25,551,967.40x = 38,331,450.30 × 8,510,863.40 - Step 4: Simplify right side
25,551,967.40x = 326,233,737,427,189 - Step 5: Solve for x
x = 326,233,737,427,189/25,551,967.40 - Step 6: Final answer
x = 12,767,460.62
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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.