Finding the Fourth Proportional to 24,427,450.80, 33,717,449.21 and 15,725,623.50
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Solution
The fourth proportional to 24,427,450.80, 33,717,449.21 and 15,725,623.50 is: 21,706,231.89
Step by Step Solution
- Step 1: Write the proportion equation
24,427,450.80 : 33,717,449.21 = 15,725,623.50 : x - Step 2: Convert to fraction form
24,427,450.80/33,717,449.21 = 15,725,623.50/x - Step 3: Cross multiply
24,427,450.80x = 33,717,449.21 × 15,725,623.50 - Step 4: Simplify right side
24,427,450.80x = 530,227,911,578,204.31 - Step 5: Solve for x
x = 530,227,911,578,204.31/24,427,450.80 - Step 6: Final answer
x = 21,706,231.89
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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.