Finding the Fourth Proportional to 7,184,108.76, 10,766,806.43 and 2,919,291.09
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Solution
The fourth proportional to 7,184,108.76, 10,766,806.43 and 2,919,291.09 is: 4,375,134.50
Step by Step Solution
- Step 1: Write the proportion equation
7,184,108.76 : 10,766,806.43 = 2,919,291.09 : x - Step 2: Convert to fraction form
7,184,108.76/10,766,806.43 = 2,919,291.09/x - Step 3: Cross multiply
7,184,108.76x = 10,766,806.43 × 2,919,291.09 - Step 4: Simplify right side
7,184,108.76x = 31,431,442,064,257.25 - Step 5: Solve for x
x = 31,431,442,064,257.25/7,184,108.76 - Step 6: Final answer
x = 4,375,134.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.