Finding the Fourth Proportional to 8,428,450.26, 11,631,291.99 and 4,560,970.98
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Solution
The fourth proportional to 8,428,450.26, 11,631,291.99 and 4,560,970.98 is: 6,294,156.53
Step by Step Solution
- Step 1: Write the proportion equation
8,428,450.26 : 11,631,291.99 = 4,560,970.98 : x - Step 2: Convert to fraction form
8,428,450.26/11,631,291.99 = 4,560,970.98/x - Step 3: Cross multiply
8,428,450.26x = 11,631,291.99 × 4,560,970.98 - Step 4: Simplify right side
8,428,450.26x = 53,049,985,226,296.45 - Step 5: Solve for x
x = 53,049,985,226,296.45/8,428,450.26 - Step 6: Final answer
x = 6,294,156.53
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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.