Finding the Fourth Proportional to 11,243,042.76, 15,515,395.72 and 6,086,400.48
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Solution
The fourth proportional to 11,243,042.76, 15,515,395.72 and 6,086,400.48 is: 8,399,230.88
Step by Step Solution
- Step 1: Write the proportion equation
11,243,042.76 : 15,515,395.72 = 6,086,400.48 : x - Step 2: Convert to fraction form
11,243,042.76/15,515,395.72 = 6,086,400.48/x - Step 3: Cross multiply
11,243,042.76x = 15,515,395.72 × 6,086,400.48 - Step 4: Simplify right side
11,243,042.76x = 94,432,911,957,597.95 - Step 5: Solve for x
x = 94,432,911,957,597.95/11,243,042.76 - Step 6: Final answer
x = 8,399,230.88
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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.