Finding the Fourth Proportional to 22,554,517.91, 31,125,265.49 and 12,241,241.15
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Solution
The fourth proportional to 22,554,517.91, 31,125,265.49 and 12,241,241.15 is: 16,892,929.49
Step by Step Solution
- Step 1: Write the proportion equation
22,554,517.91 : 31,125,265.49 = 12,241,241.15 : x - Step 2: Convert to fraction form
22,554,517.91/31,125,265.49 = 12,241,241.15/x - Step 3: Cross multiply
22,554,517.91x = 31,125,265.49 × 12,241,241.15 - Step 4: Simplify right side
22,554,517.91x = 381,011,880,659,656.69 - Step 5: Solve for x
x = 381,011,880,659,656.69/22,554,517.91 - Step 6: Final answer
x = 16,892,929.49
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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.