Finding the Fourth Proportional to 14,378,121.92, 21,567,121.44 and 5,856,557.76
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Solution
The fourth proportional to 14,378,121.92, 21,567,121.44 and 5,856,557.76 is: 8,784,811.61
Step by Step Solution
- Step 1: Write the proportion equation
14,378,121.92 : 21,567,121.44 = 5,856,557.76 : x - Step 2: Convert to fraction form
14,378,121.92/21,567,121.44 = 5,856,557.76/x - Step 3: Cross multiply
14,378,121.92x = 21,567,121.44 × 5,856,557.76 - Step 4: Simplify right side
14,378,121.92x = 126,309,092,430,294.38 - Step 5: Solve for x
x = 126,309,092,430,294.38/14,378,121.92 - Step 6: Final answer
x = 8,784,811.61
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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.