Finding the Fourth Proportional to 11,078,748.70, 15,291,224.13 and 6,496,546.30
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Solution
The fourth proportional to 11,078,748.70, 15,291,224.13 and 6,496,546.30 is: 8,966,729.75
Step by Step Solution
- Step 1: Write the proportion equation
11,078,748.70 : 15,291,224.13 = 6,496,546.30 : x - Step 2: Convert to fraction form
11,078,748.70/15,291,224.13 = 6,496,546.30/x - Step 3: Cross multiply
11,078,748.70x = 15,291,224.13 × 6,496,546.30 - Step 4: Simplify right side
11,078,748.70x = 99,340,145,544,222.22 - Step 5: Solve for x
x = 99,340,145,544,222.22/11,078,748.70 - Step 6: Final answer
x = 8,966,729.75
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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.