Finding the Fourth Proportional to 11,553,511.35, 15,944,343.80 and 6,396,872.79
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Solution
The fourth proportional to 11,553,511.35, 15,944,343.80 and 6,396,872.79 is: 8,827,960.25
Step by Step Solution
- Step 1: Write the proportion equation
11,553,511.35 : 15,944,343.80 = 6,396,872.79 : x - Step 2: Convert to fraction form
11,553,511.35/15,944,343.80 = 6,396,872.79/x - Step 3: Cross multiply
11,553,511.35x = 15,944,343.80 × 6,396,872.79 - Step 4: Simplify right side
11,553,511.35x = 101,993,938,976,640.84 - Step 5: Solve for x
x = 101,993,938,976,640.84/11,553,511.35 - Step 6: Final answer
x = 8,827,960.25
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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.