Finding the Fourth Proportional to 7,758,881.44, 10,707,252.63 and 4,497,586.13
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Solution
The fourth proportional to 7,758,881.44, 10,707,252.63 and 4,497,586.13 is: 6,206,666.69
Step by Step Solution
- Step 1: Write the proportion equation
7,758,881.44 : 10,707,252.63 = 4,497,586.13 : x - Step 2: Convert to fraction form
7,758,881.44/10,707,252.63 = 4,497,586.13/x - Step 3: Cross multiply
7,758,881.44x = 10,707,252.63 × 4,497,586.13 - Step 4: Simplify right side
7,758,881.44x = 48,156,790,919,094.02 - Step 5: Solve for x
x = 48,156,790,919,094.02/7,758,881.44 - Step 6: Final answer
x = 6,206,666.69
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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.