Finding the Fourth Proportional to 19,893,106.96, 29,839,561.92 and 17,189,203.84
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Solution
The fourth proportional to 19,893,106.96, 29,839,561.92 and 17,189,203.84 is: 25,783,720.63
Step by Step Solution
- Step 1: Write the proportion equation
19,893,106.96 : 29,839,561.92 = 17,189,203.84 : x - Step 2: Convert to fraction form
19,893,106.96/29,839,561.92 = 17,189,203.84/x - Step 3: Cross multiply
19,893,106.96x = 29,839,561.92 × 17,189,203.84 - Step 4: Simplify right side
19,893,106.96x = 512,918,312,339,181.81 - Step 5: Solve for x
x = 512,918,312,339,181.81/19,893,106.96 - Step 6: Final answer
x = 25,783,720.63
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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.