Finding the Fourth Proportional to 11,195,451.36, 15,454,489.89 and 7,526,495.99
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Solution
The fourth proportional to 11,195,451.36, 15,454,489.89 and 7,526,495.99 is: 10,389,769.23
Step by Step Solution
- Step 1: Write the proportion equation
11,195,451.36 : 15,454,489.89 = 7,526,495.99 : x - Step 2: Convert to fraction form
11,195,451.36/15,454,489.89 = 7,526,495.99/x - Step 3: Cross multiply
11,195,451.36x = 15,454,489.89 × 7,526,495.99 - Step 4: Simplify right side
11,195,451.36x = 116,318,156,107,308.09 - Step 5: Solve for x
x = 116,318,156,107,308.09/11,195,451.36 - Step 6: Final answer
x = 10,389,769.23
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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.