Finding the Fourth Proportional to 11,839,408.68, 16,338,383.64 and 6,406,900.68
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Solution
The fourth proportional to 11,839,408.68, 16,338,383.64 and 6,406,900.68 is: 8,841,522.76
Step by Step Solution
- Step 1: Write the proportion equation
11,839,408.68 : 16,338,383.64 = 6,406,900.68 : x - Step 2: Convert to fraction form
11,839,408.68/16,338,383.64 = 6,406,900.68/x - Step 3: Cross multiply
11,839,408.68x = 16,338,383.64 × 6,406,900.68 - Step 4: Simplify right side
11,839,408.68x = 104,678,401,253,216.88 - Step 5: Solve for x
x = 104,678,401,253,216.88/11,839,408.68 - Step 6: Final answer
x = 8,841,522.76
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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.