Finding the Fourth Proportional to 14,474,824.96, 19,975,312.97 and 7,859,423.34
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Solution
The fourth proportional to 14,474,824.96, 19,975,312.97 and 7,859,423.34 is: 10,846,033.81
Step by Step Solution
- Step 1: Write the proportion equation
14,474,824.96 : 19,975,312.97 = 7,859,423.34 : x - Step 2: Convert to fraction form
14,474,824.96/19,975,312.97 = 7,859,423.34/x - Step 3: Cross multiply
14,474,824.96x = 19,975,312.97 × 7,859,423.34 - Step 4: Simplify right side
14,474,824.96x = 156,994,440,980,222.72 - Step 5: Solve for x
x = 156,994,440,980,222.72/14,474,824.96 - Step 6: Final answer
x = 10,846,033.81
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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.