Finding the Fourth Proportional to 34,198,476.99, 47,192,984.06 and 19,513,876.47
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Solution
The fourth proportional to 34,198,476.99, 47,192,984.06 and 19,513,876.47 is: 26,928,627.89
Step by Step Solution
- Step 1: Write the proportion equation
34,198,476.99 : 47,192,984.06 = 19,513,876.47 : x - Step 2: Convert to fraction form
34,198,476.99/47,192,984.06 = 19,513,876.47/x - Step 3: Cross multiply
34,198,476.99x = 47,192,984.06 × 19,513,876.47 - Step 4: Simplify right side
34,198,476.99x = 920,918,061,099,949.62 - Step 5: Solve for x
x = 920,918,061,099,949.62/34,198,476.99 - Step 6: Final answer
x = 26,928,627.89
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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.