Finding the Fourth Proportional to 8,281,092.97, 12,421,805.68 and 2,215,815.09
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Solution
The fourth proportional to 8,281,092.97, 12,421,805.68 and 2,215,815.09 is: 3,323,767.12
Step by Step Solution
- Step 1: Write the proportion equation
8,281,092.97 : 12,421,805.68 = 2,215,815.09 : x - Step 2: Convert to fraction form
8,281,092.97/12,421,805.68 = 2,215,815.09/x - Step 3: Cross multiply
8,281,092.97x = 12,421,805.68 × 2,215,815.09 - Step 4: Simplify right side
8,281,092.97x = 27,524,424,484,388.41 - Step 5: Solve for x
x = 27,524,424,484,388.41/8,281,092.97 - Step 6: Final answer
x = 3,323,767.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.