Finding the Fourth Proportional to 11,344,581.33, 15,651,060.87 and 6,986,100.84
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Solution
The fourth proportional to 11,344,581.33, 15,651,060.87 and 6,986,100.84 is: 9,638,071.81
Step by Step Solution
- Step 1: Write the proportion equation
11,344,581.33 : 15,651,060.87 = 6,986,100.84 : x - Step 2: Convert to fraction form
11,344,581.33/15,651,060.87 = 6,986,100.84/x - Step 3: Cross multiply
11,344,581.33x = 15,651,060.87 × 6,986,100.84 - Step 4: Simplify right side
11,344,581.33x = 109,339,889,490,798.12 - Step 5: Solve for x
x = 109,339,889,490,798.12/11,344,581.33 - Step 6: Final answer
x = 9,638,071.81
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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.