Finding the Fourth Proportional to 8,992,306.81, 12,409,374.60 and 4,862,328.09
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Solution
The fourth proportional to 8,992,306.81, 12,409,374.60 and 4,862,328.09 is: 6,710,008.01
Step by Step Solution
- Step 1: Write the proportion equation
8,992,306.81 : 12,409,374.60 = 4,862,328.09 : x - Step 2: Convert to fraction form
8,992,306.81/12,409,374.60 = 4,862,328.09/x - Step 3: Cross multiply
8,992,306.81x = 12,409,374.60 × 4,862,328.09 - Step 4: Simplify right side
8,992,306.81x = 60,338,450,696,912.51 - Step 5: Solve for x
x = 60,338,450,696,912.51/8,992,306.81 - Step 6: Final answer
x = 6,710,008.01
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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.