Finding the Fourth Proportional to 7,827,722.92, 11,745,294.90 and 3,781,942.84
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Solution
The fourth proportional to 7,827,722.92, 11,745,294.90 and 3,781,942.84 is: 5,674,706.99
Step by Step Solution
- Step 1: Write the proportion equation
7,827,722.92 : 11,745,294.90 = 3,781,942.84 : x - Step 2: Convert to fraction form
7,827,722.92/11,745,294.90 = 3,781,942.84/x - Step 3: Cross multiply
7,827,722.92x = 11,745,294.90 × 3,781,942.84 - Step 4: Simplify right side
7,827,722.92x = 44,420,033,950,743.52 - Step 5: Solve for x
x = 44,420,033,950,743.52/7,827,722.92 - Step 6: Final answer
x = 5,674,706.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.