Finding the Fourth Proportional to 24,387,531.48, 33,664,261.50 and 18,293,687.64
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Solution
The fourth proportional to 24,387,531.48, 33,664,261.50 and 18,293,687.64 is: 25,252,391.17
Step by Step Solution
- Step 1: Write the proportion equation
24,387,531.48 : 33,664,261.50 = 18,293,687.64 : x - Step 2: Convert to fraction form
24,387,531.48/33,664,261.50 = 18,293,687.64/x - Step 3: Cross multiply
24,387,531.48x = 33,664,261.50 × 18,293,687.64 - Step 4: Simplify right side
24,387,531.48x = 615,843,484,512,277.88 - Step 5: Solve for x
x = 615,843,484,512,277.88/24,387,531.48 - Step 6: Final answer
x = 25,252,391.17
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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.