Finding the Fourth Proportional to 19,760,861.06, 27,269,988.27 and 10,716,893.06
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Solution
The fourth proportional to 19,760,861.06, 27,269,988.27 and 10,716,893.06 is: 14,789,312.43
Step by Step Solution
- Step 1: Write the proportion equation
19,760,861.06 : 27,269,988.27 = 10,716,893.06 : x - Step 2: Convert to fraction form
19,760,861.06/27,269,988.27 = 10,716,893.06/x - Step 3: Cross multiply
19,760,861.06x = 27,269,988.27 × 10,716,893.06 - Step 4: Simplify right side
19,760,861.06x = 292,249,548,065,031 - Step 5: Solve for x
x = 292,249,548,065,031/19,760,861.06 - Step 6: Final answer
x = 14,789,312.43
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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.