Finding the Fourth Proportional to 11,169,047.67, 15,413,944.15 and 8,410,868.88
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Solution
The fourth proportional to 11,169,047.67, 15,413,944.15 and 8,410,868.88 is: 11,607,494.84
Step by Step Solution
- Step 1: Write the proportion equation
11,169,047.67 : 15,413,944.15 = 8,410,868.88 : x - Step 2: Convert to fraction form
11,169,047.67/15,413,944.15 = 8,410,868.88/x - Step 3: Cross multiply
11,169,047.67x = 15,413,944.15 × 8,410,868.88 - Step 4: Simplify right side
11,169,047.67x = 129,644,663,169,293.06 - Step 5: Solve for x
x = 129,644,663,169,293.06/11,169,047.67 - Step 6: Final answer
x = 11,607,494.84
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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.