Finding the Fourth Proportional to 11,487,932.26, 15,853,294.53 and 6,331,282.66
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Solution
The fourth proportional to 11,487,932.26, 15,853,294.53 and 6,331,282.66 is: 8,737,141.42
Step by Step Solution
- Step 1: Write the proportion equation
11,487,932.26 : 15,853,294.53 = 6,331,282.66 : x - Step 2: Convert to fraction form
11,487,932.26/15,853,294.53 = 6,331,282.66/x - Step 3: Cross multiply
11,487,932.26x = 15,853,294.53 × 6,331,282.66 - Step 4: Simplify right side
11,487,932.26x = 100,371,688,761,661.84 - Step 5: Solve for x
x = 100,371,688,761,661.84/11,487,932.26 - Step 6: Final answer
x = 8,737,141.42
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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.