Finding the Fourth Proportional to 11,243,074.80, 15,515,439.88 and 6,086,432.56
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Solution
The fourth proportional to 11,243,074.80, 15,515,439.88 and 6,086,432.56 is: 8,399,275.12
Step by Step Solution
- Step 1: Write the proportion equation
11,243,074.80 : 15,515,439.88 = 6,086,432.56 : x - Step 2: Convert to fraction form
11,243,074.80/15,515,439.88 = 6,086,432.56/x - Step 3: Cross multiply
11,243,074.80x = 15,515,439.88 × 6,086,432.56 - Step 4: Simplify right side
11,243,074.80x = 94,433,678,468,354.48 - Step 5: Solve for x
x = 94,433,678,468,354.48/11,243,074.80 - Step 6: Final answer
x = 8,399,275.12
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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.