Finding the Fourth Proportional to 10,390,153.69, 14,337,170.34 and 5,743,311.09
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Solution
The fourth proportional to 10,390,153.69, 14,337,170.34 and 5,743,311.09 is: 7,925,082.91
Step by Step Solution
- Step 1: Write the proportion equation
10,390,153.69 : 14,337,170.34 = 5,743,311.09 : x - Step 2: Convert to fraction form
10,390,153.69/14,337,170.34 = 5,743,311.09/x - Step 3: Cross multiply
10,390,153.69x = 14,337,170.34 × 5,743,311.09 - Step 4: Simplify right side
10,390,153.69x = 82,342,829,412,941.06 - Step 5: Solve for x
x = 82,342,829,412,941.06/10,390,153.69 - Step 6: Final answer
x = 7,925,082.91
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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.