Finding the Fourth Proportional to 16,271,331.70, 22,454,713.35 and 8,929,847.94
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Solution
The fourth proportional to 16,271,331.70, 22,454,713.35 and 8,929,847.94 is: 12,323,341.41
Step by Step Solution
- Step 1: Write the proportion equation
16,271,331.70 : 22,454,713.35 = 8,929,847.94 : x - Step 2: Convert to fraction form
16,271,331.70/22,454,713.35 = 8,929,847.94/x - Step 3: Cross multiply
16,271,331.70x = 22,454,713.35 × 8,929,847.94 - Step 4: Simplify right side
16,271,331.70x = 200,517,175,751,788 - Step 5: Solve for x
x = 200,517,175,751,788/16,271,331.70 - Step 6: Final answer
x = 12,323,341.41
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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.