Finding the Fourth Proportional to 25,296,992.24, 34,909,860.18 and 13,694,555.07
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Solution
The fourth proportional to 25,296,992.24, 34,909,860.18 and 13,694,555.07 is: 18,898,491.89
Step by Step Solution
- Step 1: Write the proportion equation
25,296,992.24 : 34,909,860.18 = 13,694,555.07 : x - Step 2: Convert to fraction form
25,296,992.24/34,909,860.18 = 13,694,555.07/x - Step 3: Cross multiply
25,296,992.24x = 34,909,860.18 × 13,694,555.07 - Step 4: Simplify right side
25,296,992.24x = 478,075,002,721,010.12 - Step 5: Solve for x
x = 478,075,002,721,010.12/25,296,992.24 - Step 6: Final answer
x = 18,898,491.89
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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.