Finding the Fourth Proportional to 13,640,804.34, 18,824,311.62 and 7,529,234.46
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Solution
The fourth proportional to 13,640,804.34, 18,824,311.62 and 7,529,234.46 is: 10,390,344.45
Step by Step Solution
- Step 1: Write the proportion equation
13,640,804.34 : 18,824,311.62 = 7,529,234.46 : x - Step 2: Convert to fraction form
13,640,804.34/18,824,311.62 = 7,529,234.46/x - Step 3: Cross multiply
13,640,804.34x = 18,824,311.62 × 7,529,234.46 - Step 4: Simplify right side
13,640,804.34x = 141,732,655,735,082.44 - Step 5: Solve for x
x = 141,732,655,735,082.44/13,640,804.34 - Step 6: Final answer
x = 10,390,344.45
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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.