Finding the Fourth Proportional to 13,892,330.70, 20,838,496.05 and 3,794,951.70
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Solution
The fourth proportional to 13,892,330.70, 20,838,496.05 and 3,794,951.70 is: 5,692,427.55
Step by Step Solution
- Step 1: Write the proportion equation
13,892,330.70 : 20,838,496.05 = 3,794,951.70 : x - Step 2: Convert to fraction form
13,892,330.70/20,838,496.05 = 3,794,951.70/x - Step 3: Cross multiply
13,892,330.70x = 20,838,496.05 × 3,794,951.70 - Step 4: Simplify right side
13,892,330.70x = 79,081,086,010,390.80 - Step 5: Solve for x
x = 79,081,086,010,390.80/13,892,330.70 - Step 6: Final answer
x = 5,692,427.55
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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.