Finding the Fourth Proportional to 9,858,236.91, 14,774,136.99 and 7,672,445.72
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Solution
The fourth proportional to 9,858,236.91, 14,774,136.99 and 7,672,445.72 is: 11,498,381.01
Step by Step Solution
- Step 1: Write the proportion equation
9,858,236.91 : 14,774,136.99 = 7,672,445.72 : x - Step 2: Convert to fraction form
9,858,236.91/14,774,136.99 = 7,672,445.72/x - Step 3: Cross multiply
9,858,236.91x = 14,774,136.99 × 7,672,445.72 - Step 4: Simplify right side
9,858,236.91x = 113,353,764,115,619.19 - Step 5: Solve for x
x = 113,353,764,115,619.19/9,858,236.91 - Step 6: Final answer
x = 11,498,381.01
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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.