Finding the Fourth Proportional to 34,652,942.28, 47,821,438.26 and 19,183,285.26
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Solution
The fourth proportional to 34,652,942.28, 47,821,438.26 and 19,183,285.26 is: 26,473,142.87
Step by Step Solution
- Step 1: Write the proportion equation
34,652,942.28 : 47,821,438.26 = 19,183,285.26 : x - Step 2: Convert to fraction form
34,652,942.28/47,821,438.26 = 19,183,285.26/x - Step 3: Cross multiply
34,652,942.28x = 47,821,438.26 × 19,183,285.26 - Step 4: Simplify right side
34,652,942.28x = 917,372,291,685,058.12 - Step 5: Solve for x
x = 917,372,291,685,058.12/34,652,942.28 - Step 6: Final answer
x = 26,473,142.87
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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.