Finding the Fourth Proportional to 11,289,770.28, 15,579,896.40 and 6,133,135.32
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Solution
The fourth proportional to 11,289,770.28, 15,579,896.40 and 6,133,135.32 is: 8,463,734.03
Step by Step Solution
- Step 1: Write the proportion equation
11,289,770.28 : 15,579,896.40 = 6,133,135.32 : x - Step 2: Convert to fraction form
11,289,770.28/15,579,896.40 = 6,133,135.32/x - Step 3: Cross multiply
11,289,770.28x = 15,579,896.40 × 6,133,135.32 - Step 4: Simplify right side
11,289,770.28x = 95,553,612,892,780.86 - Step 5: Solve for x
x = 95,553,612,892,780.86/11,289,770.28 - Step 6: Final answer
x = 8,463,734.03
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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.