Finding the Fourth Proportional to 13,991,187.36, 19,307,579.36 and 7,626,096.80
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Solution
The fourth proportional to 13,991,187.36, 19,307,579.36 and 7,626,096.80 is: 10,523,872.31
Step by Step Solution
- Step 1: Write the proportion equation
13,991,187.36 : 19,307,579.36 = 7,626,096.80 : x - Step 2: Convert to fraction form
13,991,187.36/19,307,579.36 = 7,626,096.80/x - Step 3: Cross multiply
13,991,187.36x = 19,307,579.36 × 7,626,096.80 - Step 4: Simplify right side
13,991,187.36x = 147,241,469,173,042.03 - Step 5: Solve for x
x = 147,241,469,173,042.03/13,991,187.36 - Step 6: Final answer
x = 10,523,872.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.