Finding the Fourth Proportional to 11,880,475.67, 16,402,461.18 and 8,165,703.08
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Solution
The fourth proportional to 11,880,475.67, 16,402,461.18 and 8,165,703.08 is: 11,273,759.69
Step by Step Solution
- Step 1: Write the proportion equation
11,880,475.67 : 16,402,461.18 = 8,165,703.08 : x - Step 2: Convert to fraction form
11,880,475.67/16,402,461.18 = 8,165,703.08/x - Step 3: Cross multiply
11,880,475.67x = 16,402,461.18 × 8,165,703.08 - Step 4: Simplify right side
11,880,475.67x = 133,937,627,797,787.16 - Step 5: Solve for x
x = 133,937,627,797,787.16/11,880,475.67 - Step 6: Final answer
x = 11,273,759.69
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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.