Finding the Fourth Proportional to 8,122,342.80, 11,207,412 and 4,636,089.84
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Solution
The fourth proportional to 8,122,342.80, 11,207,412 and 4,636,089.84 is: 6,396,992.86
Step by Step Solution
- Step 1: Write the proportion equation
8,122,342.80 : 11,207,412 = 4,636,089.84 : x - Step 2: Convert to fraction form
8,122,342.80/11,207,412 = 4,636,089.84/x - Step 3: Cross multiply
8,122,342.80x = 11,207,412 × 4,636,089.84 - Step 4: Simplify right side
8,122,342.80x = 51,958,568,905,894.08 - Step 5: Solve for x
x = 51,958,568,905,894.08/8,122,342.80 - Step 6: Final answer
x = 6,396,992.86
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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.