Finding the Fourth Proportional to 16,434,837.66, 22,687,340.58 and 9,821,759.88
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Solution
The fourth proportional to 16,434,837.66, 22,687,340.58 and 9,821,759.88 is: 13,558,370.10
Step by Step Solution
- Step 1: Write the proportion equation
16,434,837.66 : 22,687,340.58 = 9,821,759.88 : x - Step 2: Convert to fraction form
16,434,837.66/22,687,340.58 = 9,821,759.88/x - Step 3: Cross multiply
16,434,837.66x = 22,687,340.58 × 9,821,759.88 - Step 4: Simplify right side
16,434,837.66x = 222,829,611,492,539.94 - Step 5: Solve for x
x = 222,829,611,492,539.94/16,434,837.66 - Step 6: Final answer
x = 13,558,370.10
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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.