Finding the Fourth Proportional to 19,546,576.77, 29,161,152.69 and 18,488,418.69
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Solution
The fourth proportional to 19,546,576.77, 29,161,152.69 and 18,488,418.69 is: 27,582,507.50
Step by Step Solution
- Step 1: Write the proportion equation
19,546,576.77 : 29,161,152.69 = 18,488,418.69 : x - Step 2: Convert to fraction form
19,546,576.77/29,161,152.69 = 18,488,418.69/x - Step 3: Cross multiply
19,546,576.77x = 29,161,152.69 × 18,488,418.69 - Step 4: Simplify right side
19,546,576.77x = 539,143,600,415,739.81 - Step 5: Solve for x
x = 539,143,600,415,739.81/19,546,576.77 - Step 6: Final answer
x = 27,582,507.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.