Finding the Fourth Proportional to 18,354,474.60, 27,531,711.90 and 8,788,536.60
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Solution
The fourth proportional to 18,354,474.60, 27,531,711.90 and 8,788,536.60 is: 13,182,804.90
Step by Step Solution
- Step 1: Write the proportion equation
18,354,474.60 : 27,531,711.90 = 8,788,536.60 : x - Step 2: Convert to fraction form
18,354,474.60/27,531,711.90 = 8,788,536.60/x - Step 3: Cross multiply
18,354,474.60x = 27,531,711.90 × 8,788,536.60 - Step 4: Simplify right side
18,354,474.60x = 241,963,457,693,805.53 - Step 5: Solve for x
x = 241,963,457,693,805.53/18,354,474.60 - Step 6: Final answer
x = 13,182,804.90
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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.