Finding the Fourth Proportional to 44,293,644.80, 66,449,798.40 and 18,721,491.20
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Solution
The fourth proportional to 44,293,644.80, 66,449,798.40 and 18,721,491.20 is: 28,086,180.80
Step by Step Solution
- Step 1: Write the proportion equation
44,293,644.80 : 66,449,798.40 = 18,721,491.20 : x - Step 2: Convert to fraction form
44,293,644.80/66,449,798.40 = 18,721,491.20/x - Step 3: Cross multiply
44,293,644.80x = 66,449,798.40 × 18,721,491.20 - Step 4: Simplify right side
44,293,644.80x = 1,244,039,315,987,374 - Step 5: Solve for x
x = 1,244,039,315,987,374/44,293,644.80 - Step 6: Final answer
x = 28,086,180.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.