Finding the Fourth Proportional to 11,805,908.24, 16,290,355.56 and 6,648,942.80
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Solution
The fourth proportional to 11,805,908.24, 16,290,355.56 and 6,648,942.80 is: 9,174,528.56
Step by Step Solution
- Step 1: Write the proportion equation
11,805,908.24 : 16,290,355.56 = 6,648,942.80 : x - Step 2: Convert to fraction form
11,805,908.24/16,290,355.56 = 6,648,942.80/x - Step 3: Cross multiply
11,805,908.24x = 16,290,355.56 × 6,648,942.80 - Step 4: Simplify right side
11,805,908.24x = 108,313,642,310,101.97 - Step 5: Solve for x
x = 108,313,642,310,101.97/11,805,908.24 - Step 6: Final answer
x = 9,174,528.56
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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.