Finding the Fourth Proportional to 8,440,131.24, 12,669,644.70 and 5,605,779.24
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Solution
The fourth proportional to 8,440,131.24, 12,669,644.70 and 5,605,779.24 is: 8,414,943.94
Step by Step Solution
- Step 1: Write the proportion equation
8,440,131.24 : 12,669,644.70 = 5,605,779.24 : x - Step 2: Convert to fraction form
8,440,131.24/12,669,644.70 = 5,605,779.24/x - Step 3: Cross multiply
8,440,131.24x = 12,669,644.70 × 5,605,779.24 - Step 4: Simplify right side
8,440,131.24x = 71,023,231,237,436.03 - Step 5: Solve for x
x = 71,023,231,237,436.03/8,440,131.24 - Step 6: Final answer
x = 8,414,943.94
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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.