Finding the Fourth Proportional to 11,867,557.80, 17,801,336.70 and 3,889,381.80
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Solution
The fourth proportional to 11,867,557.80, 17,801,336.70 and 3,889,381.80 is: 5,834,072.70
Step by Step Solution
- Step 1: Write the proportion equation
11,867,557.80 : 17,801,336.70 = 3,889,381.80 : x - Step 2: Convert to fraction form
11,867,557.80/17,801,336.70 = 3,889,381.80/x - Step 3: Cross multiply
11,867,557.80x = 17,801,336.70 × 3,889,381.80 - Step 4: Simplify right side
11,867,557.80x = 69,236,194,976,652.05 - Step 5: Solve for x
x = 69,236,194,976,652.05/11,867,557.80 - Step 6: Final answer
x = 5,834,072.70
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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.