Finding the Fourth Proportional to 11,963,428.96, 16,509,599.04 and 6,806,790.40
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Solution
The fourth proportional to 11,963,428.96, 16,509,599.04 and 6,806,790.40 is: 9,393,408.92
Step by Step Solution
- Step 1: Write the proportion equation
11,963,428.96 : 16,509,599.04 = 6,806,790.40 : x - Step 2: Convert to fraction form
11,963,428.96/16,509,599.04 = 6,806,790.40/x - Step 3: Cross multiply
11,963,428.96x = 16,509,599.04 × 6,806,790.40 - Step 4: Simplify right side
11,963,428.96x = 112,377,380,253,321.22 - Step 5: Solve for x
x = 112,377,380,253,321.22/11,963,428.96 - Step 6: Final answer
x = 9,393,408.92
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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.