Finding the Fourth Proportional to 8,427,450.23, 11,625,596.80 and 5,118,864.02
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Solution
The fourth proportional to 8,427,450.23, 11,625,596.80 and 5,118,864.02 is: 7,061,429.91
Step by Step Solution
- Step 1: Write the proportion equation
8,427,450.23 : 11,625,596.80 = 5,118,864.02 : x - Step 2: Convert to fraction form
8,427,450.23/11,625,596.80 = 5,118,864.02/x - Step 3: Cross multiply
8,427,450.23x = 11,625,596.80 × 5,118,864.02 - Step 4: Simplify right side
8,427,450.23x = 59,509,849,086,824.83 - Step 5: Solve for x
x = 59,509,849,086,824.83/8,427,450.23 - Step 6: Final answer
x = 7,061,429.91
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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.