Finding the Fourth Proportional to 13,586,096.72, 18,748,812.84 and 7,474,394
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Solution
The fourth proportional to 13,586,096.72, 18,748,812.84 and 7,474,394 is: 10,314,663.37
Step by Step Solution
- Step 1: Write the proportion equation
13,586,096.72 : 18,748,812.84 = 7,474,394 : x - Step 2: Convert to fraction form
13,586,096.72/18,748,812.84 = 7,474,394/x - Step 3: Cross multiply
13,586,096.72x = 18,748,812.84 × 7,474,394 - Step 4: Simplify right side
13,586,096.72x = 140,136,014,198,418.95 - Step 5: Solve for x
x = 140,136,014,198,418.95/13,586,096.72 - Step 6: Final answer
x = 10,314,663.37
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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.