Finding the Fourth Proportional to 8,992,307.81, 12,409,375.98 and 4,862,329.09
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Solution
The fourth proportional to 8,992,307.81, 12,409,375.98 and 4,862,329.09 is: 6,710,009.39
Step by Step Solution
- Step 1: Write the proportion equation
8,992,307.81 : 12,409,375.98 = 4,862,329.09 : x - Step 2: Convert to fraction form
8,992,307.81/12,409,375.98 = 4,862,329.09/x - Step 3: Cross multiply
8,992,307.81x = 12,409,375.98 × 4,862,329.09 - Step 4: Simplify right side
8,992,307.81x = 60,338,469,816,301.26 - Step 5: Solve for x
x = 60,338,469,816,301.26/8,992,307.81 - Step 6: Final answer
x = 6,710,009.39
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.