Finding the Fourth Proportional to 11,056,015.28, 15,257,093.70 and 6,161,129.54
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Solution
The fourth proportional to 11,056,015.28, 15,257,093.70 and 6,161,129.54 is: 8,502,243.20
Step by Step Solution
- Step 1: Write the proportion equation
11,056,015.28 : 15,257,093.70 = 6,161,129.54 : x - Step 2: Convert to fraction form
11,056,015.28/15,257,093.70 = 6,161,129.54/x - Step 3: Cross multiply
11,056,015.28x = 15,257,093.70 × 6,161,129.54 - Step 4: Simplify right side
11,056,015.28x = 94,000,930,689,617.89 - Step 5: Solve for x
x = 94,000,930,689,617.89/11,056,015.28 - Step 6: Final answer
x = 8,502,243.20
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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.