Finding the Fourth Proportional to 8,625,843.84, 11,896,102.08 and 6,906,336.96
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Solution
The fourth proportional to 8,625,843.84, 11,896,102.08 and 6,906,336.96 is: 9,524,690.11
Step by Step Solution
- Step 1: Write the proportion equation
8,625,843.84 : 11,896,102.08 = 6,906,336.96 : x - Step 2: Convert to fraction form
8,625,843.84/11,896,102.08 = 6,906,336.96/x - Step 3: Cross multiply
8,625,843.84x = 11,896,102.08 × 6,906,336.96 - Step 4: Simplify right side
8,625,843.84x = 82,158,489,475,036.88 - Step 5: Solve for x
x = 82,158,489,475,036.88/8,625,843.84 - Step 6: Final answer
x = 9,524,690.11
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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.