Finding the Fourth Proportional to 11,295,766.76, 15,588,260.34 and 6,139,140.44
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Solution
The fourth proportional to 11,295,766.76, 15,588,260.34 and 6,139,140.44 is: 8,472,069.36
Step by Step Solution
- Step 1: Write the proportion equation
11,295,766.76 : 15,588,260.34 = 6,139,140.44 : x - Step 2: Convert to fraction form
11,295,766.76/15,588,260.34 = 6,139,140.44/x - Step 3: Cross multiply
11,295,766.76x = 15,588,260.34 × 6,139,140.44 - Step 4: Simplify right side
11,295,766.76x = 95,698,519,442,542.16 - Step 5: Solve for x
x = 95,698,519,442,542.16/11,295,766.76 - Step 6: Final answer
x = 8,472,069.36
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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.