Finding the Fourth Proportional to 11,243,043.76, 15,515,397.10 and 6,086,401.48
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Solution
The fourth proportional to 11,243,043.76, 15,515,397.10 and 6,086,401.48 is: 8,399,232.26
Step by Step Solution
- Step 1: Write the proportion equation
11,243,043.76 : 15,515,397.10 = 6,086,401.48 : x - Step 2: Convert to fraction form
11,243,043.76/15,515,397.10 = 6,086,401.48/x - Step 3: Cross multiply
11,243,043.76x = 15,515,397.10 × 6,086,401.48 - Step 4: Simplify right side
11,243,043.76x = 94,432,935,872,227.72 - Step 5: Solve for x
x = 94,432,935,872,227.72/11,243,043.76 - Step 6: Final answer
x = 8,399,232.26
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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.