Finding the Fourth Proportional to 11,263,721.40, 15,543,841.68 and 6,369,904.26
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Solution
The fourth proportional to 11,263,721.40, 15,543,841.68 and 6,369,904.26 is: 8,790,414.80
Step by Step Solution
- Step 1: Write the proportion equation
11,263,721.40 : 15,543,841.68 = 6,369,904.26 : x - Step 2: Convert to fraction form
11,263,721.40/15,543,841.68 = 6,369,904.26/x - Step 3: Cross multiply
11,263,721.40x = 15,543,841.68 × 6,369,904.26 - Step 4: Simplify right side
11,263,721.40x = 99,012,783,334,197.55 - Step 5: Solve for x
x = 99,012,783,334,197.55/11,263,721.40 - Step 6: Final answer
x = 8,790,414.80
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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.