Finding the Fourth Proportional to 11,078,736.96, 15,291,207.92 and 6,496,534.56
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Solution
The fourth proportional to 11,078,736.96, 15,291,207.92 and 6,496,534.56 is: 8,966,713.54
Step by Step Solution
- Step 1: Write the proportion equation
11,078,736.96 : 15,291,207.92 = 6,496,534.56 : x - Step 2: Convert to fraction form
11,078,736.96/15,291,207.92 = 6,496,534.56/x - Step 3: Cross multiply
11,078,736.96x = 15,291,207.92 × 6,496,534.56 - Step 4: Simplify right side
11,078,736.96x = 99,339,860,716,425.70 - Step 5: Solve for x
x = 99,339,860,716,425.70/11,078,736.96 - Step 6: Final answer
x = 8,966,713.54
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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.