Finding the Fourth Proportional to 8,418,257.51, 12,627,837.07 and 2,660,553.03
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Solution
The fourth proportional to 8,418,257.51, 12,627,837.07 and 2,660,553.03 is: 3,990,972.02
Step by Step Solution
- Step 1: Write the proportion equation
8,418,257.51 : 12,627,837.07 = 2,660,553.03 : x - Step 2: Convert to fraction form
8,418,257.51/12,627,837.07 = 2,660,553.03/x - Step 3: Cross multiply
8,418,257.51x = 12,627,837.07 × 2,660,553.03 - Step 4: Simplify right side
8,418,257.51x = 33,597,030,178,934.82 - Step 5: Solve for x
x = 33,597,030,178,934.82/8,418,257.51 - Step 6: Final answer
x = 3,990,972.02
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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.