Finding the Fourth Proportional to 11,892,294.81, 16,411,091.76 and 6,930,420.12
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Solution
The fourth proportional to 11,892,294.81, 16,411,091.76 and 6,930,420.12 is: 9,563,819.46
Step by Step Solution
- Step 1: Write the proportion equation
11,892,294.81 : 16,411,091.76 = 6,930,420.12 : x - Step 2: Convert to fraction form
11,892,294.81/16,411,091.76 = 6,930,420.12/x - Step 3: Cross multiply
11,892,294.81x = 16,411,091.76 × 6,930,420.12 - Step 4: Simplify right side
11,892,294.81x = 113,735,760,524,670.22 - Step 5: Solve for x
x = 113,735,760,524,670.22/11,892,294.81 - Step 6: Final answer
x = 9,563,819.46
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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.