Finding the Fourth Proportional to 34,532,021.25, 47,652,513.84 and 19,645,943.31
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Solution
The fourth proportional to 34,532,021.25, 47,652,513.84 and 19,645,943.31 is: 27,110,448.55
Step by Step Solution
- Step 1: Write the proportion equation
34,532,021.25 : 47,652,513.84 = 19,645,943.31 : x - Step 2: Convert to fraction form
34,532,021.25/47,652,513.84 = 19,645,943.31/x - Step 3: Cross multiply
34,532,021.25x = 47,652,513.84 × 19,645,943.31 - Step 4: Simplify right side
34,532,021.25x = 936,178,585,479,630.38 - Step 5: Solve for x
x = 936,178,585,479,630.38/34,532,021.25 - Step 6: Final answer
x = 27,110,448.55
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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.