Finding the Fourth Proportional to 22,427,310.90, 30,949,701.42 and 12,114,033.99
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Solution
The fourth proportional to 22,427,310.90, 30,949,701.42 and 12,114,033.99 is: 16,717,373.59
Step by Step Solution
- Step 1: Write the proportion equation
22,427,310.90 : 30,949,701.42 = 12,114,033.99 : x - Step 2: Convert to fraction form
22,427,310.90/30,949,701.42 = 12,114,033.99/x - Step 3: Cross multiply
22,427,310.90x = 30,949,701.42 × 12,114,033.99 - Step 4: Simplify right side
22,427,310.90x = 374,925,734,982,231.31 - Step 5: Solve for x
x = 374,925,734,982,231.31/22,427,310.90 - Step 6: Final answer
x = 16,717,373.59
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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.