Finding the Fourth Proportional to 11,227,652.26, 15,490,354.26 and 9,159,091.90
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Solution
The fourth proportional to 11,227,652.26, 15,490,354.26 and 9,159,091.90 is: 12,636,442.15
Step by Step Solution
- Step 1: Write the proportion equation
11,227,652.26 : 15,490,354.26 = 9,159,091.90 : x - Step 2: Convert to fraction form
11,227,652.26/15,490,354.26 = 9,159,091.90/x - Step 3: Cross multiply
11,227,652.26x = 15,490,354.26 × 9,159,091.90 - Step 4: Simplify right side
11,227,652.26x = 141,877,578,230,896.50 - Step 5: Solve for x
x = 141,877,578,230,896.50/11,227,652.26 - Step 6: Final answer
x = 12,636,442.15
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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.