Finding the Fourth Proportional to 7,727,996.04, 11,647,541.62 and 6,661,381.92
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Solution
The fourth proportional to 7,727,996.04, 11,647,541.62 and 6,661,381.92 is: 10,039,953.79
Step by Step Solution
- Step 1: Write the proportion equation
7,727,996.04 : 11,647,541.62 = 6,661,381.92 : x - Step 2: Convert to fraction form
7,727,996.04/11,647,541.62 = 6,661,381.92/x - Step 3: Cross multiply
7,727,996.04x = 11,647,541.62 × 6,661,381.92 - Step 4: Simplify right side
7,727,996.04x = 77,588,723,159,915.50 - Step 5: Solve for x
x = 77,588,723,159,915.50/7,727,996.04 - Step 6: Final answer
x = 10,039,953.79
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.