Finding the Fourth Proportional to 11,452,861.28, 15,805,250.34 and 6,296,352.68
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Solution
The fourth proportional to 11,452,861.28, 15,805,250.34 and 6,296,352.68 is: 8,689,132.60
Step by Step Solution
- Step 1: Write the proportion equation
11,452,861.28 : 15,805,250.34 = 6,296,352.68 : x - Step 2: Convert to fraction form
11,452,861.28/15,805,250.34 = 6,296,352.68/x - Step 3: Cross multiply
11,452,861.28x = 15,805,250.34 × 6,296,352.68 - Step 4: Simplify right side
11,452,861.28x = 99,515,430,336,329.91 - Step 5: Solve for x
x = 99,515,430,336,329.91/11,452,861.28 - Step 6: Final answer
x = 8,689,132.60
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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.