Finding the Fourth Proportional to 23,729,977.13, 32,748,639.93 and 13,275,369.79
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Solution
The fourth proportional to 23,729,977.13, 32,748,639.93 and 13,275,369.79 is: 18,320,721.63
Step by Step Solution
- Step 1: Write the proportion equation
23,729,977.13 : 32,748,639.93 = 13,275,369.79 : x - Step 2: Convert to fraction form
23,729,977.13/32,748,639.93 = 13,275,369.79/x - Step 3: Cross multiply
23,729,977.13x = 32,748,639.93 × 13,275,369.79 - Step 4: Simplify right side
23,729,977.13x = 434,750,305,218,560.88 - Step 5: Solve for x
x = 434,750,305,218,560.88/23,729,977.13 - Step 6: Final answer
x = 18,320,721.63
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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.