Finding the Fourth Proportional to 19,546,577.02, 29,161,153.06 and 18,488,418.94
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Solution
The fourth proportional to 19,546,577.02, 29,161,153.06 and 18,488,418.94 is: 27,582,507.87
Step by Step Solution
- Step 1: Write the proportion equation
19,546,577.02 : 29,161,153.06 = 18,488,418.94 : x - Step 2: Convert to fraction form
19,546,577.02/29,161,153.06 = 18,488,418.94/x - Step 3: Cross multiply
19,546,577.02x = 29,161,153.06 × 18,488,418.94 - Step 4: Simplify right side
19,546,577.02x = 539,143,614,546,743 - Step 5: Solve for x
x = 539,143,614,546,743/19,546,577.02 - Step 6: Final answer
x = 27,582,507.87
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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.