Finding the Fourth Proportional to 7,650,182.12, 11,471,955.42 and 2,600,136.68
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Solution
The fourth proportional to 7,650,182.12, 11,471,955.42 and 2,600,136.68 is: 3,899,077.38
Step by Step Solution
- Step 1: Write the proportion equation
7,650,182.12 : 11,471,955.42 = 2,600,136.68 : x - Step 2: Convert to fraction form
7,650,182.12/11,471,955.42 = 2,600,136.68/x - Step 3: Cross multiply
7,650,182.12x = 11,471,955.42 × 2,600,136.68 - Step 4: Simplify right side
7,650,182.12x = 29,828,652,078,866.81 - Step 5: Solve for x
x = 29,828,652,078,866.81/7,650,182.12 - Step 6: Final answer
x = 3,899,077.38
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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.