Finding the Fourth Proportional to 8,862,759.79, 12,230,596.67 and 4,788,378.79
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Solution
The fourth proportional to 8,862,759.79, 12,230,596.67 and 4,788,378.79 is: 6,607,956.33
Step by Step Solution
- Step 1: Write the proportion equation
8,862,759.79 : 12,230,596.67 = 4,788,378.79 : x - Step 2: Convert to fraction form
8,862,759.79/12,230,596.67 = 4,788,378.79/x - Step 3: Cross multiply
8,862,759.79x = 12,230,596.67 × 4,788,378.79 - Step 4: Simplify right side
8,862,759.79x = 58,564,729,622,519.65 - Step 5: Solve for x
x = 58,564,729,622,519.65/8,862,759.79 - Step 6: Final answer
x = 6,607,956.33
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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.