Finding the Fourth Proportional to 8,910,519.68, 13,343,170.08 and 7,467,408.32
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Solution
The fourth proportional to 8,910,519.68, 13,343,170.08 and 7,467,408.32 is: 11,182,164.77
Step by Step Solution
- Step 1: Write the proportion equation
8,910,519.68 : 13,343,170.08 = 7,467,408.32 : x - Step 2: Convert to fraction form
8,910,519.68/13,343,170.08 = 7,467,408.32/x - Step 3: Cross multiply
8,910,519.68x = 13,343,170.08 × 7,467,408.32 - Step 4: Simplify right side
8,910,519.68x = 99,638,899,270,567.06 - Step 5: Solve for x
x = 99,638,899,270,567.06/8,910,519.68 - Step 6: Final answer
x = 11,182,164.77
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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.