Finding the Fourth Proportional to 11,305,544.38, 15,605,709.44 and 6,721,854.82
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Solution
The fourth proportional to 11,305,544.38, 15,605,709.44 and 6,721,854.82 is: 9,278,572.50
Step by Step Solution
- Step 1: Write the proportion equation
11,305,544.38 : 15,605,709.44 = 6,721,854.82 : x - Step 2: Convert to fraction form
11,305,544.38/15,605,709.44 = 6,721,854.82/x - Step 3: Cross multiply
11,305,544.38x = 15,605,709.44 × 6,721,854.82 - Step 4: Simplify right side
11,305,544.38x = 104,899,313,218,783.50 - Step 5: Solve for x
x = 104,899,313,218,783.50/11,305,544.38 - Step 6: Final answer
x = 9,278,572.50
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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.