Finding the Fourth Proportional to 17,660,882.88, 24,374,039.20 and 9,821,177.28
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Solution
The fourth proportional to 17,660,882.88, 24,374,039.20 and 9,821,177.28 is: 13,554,348.42
Step by Step Solution
- Step 1: Write the proportion equation
17,660,882.88 : 24,374,039.20 = 9,821,177.28 : x - Step 2: Convert to fraction form
17,660,882.88/24,374,039.20 = 9,821,177.28/x - Step 3: Cross multiply
17,660,882.88x = 24,374,039.20 × 9,821,177.28 - Step 4: Simplify right side
17,660,882.88x = 239,381,760,012,869.34 - Step 5: Solve for x
x = 239,381,760,012,869.34/17,660,882.88 - Step 6: Final answer
x = 13,554,348.42
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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.