Finding the Fourth Proportional to 34,372,302.96, 47,435,025.36 and 19,690,806.72
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Solution
The fourth proportional to 34,372,302.96, 47,435,025.36 and 19,690,806.72 is: 27,174,027.80
Step by Step Solution
- Step 1: Write the proportion equation
34,372,302.96 : 47,435,025.36 = 19,690,806.72 : x - Step 2: Convert to fraction form
34,372,302.96/47,435,025.36 = 19,690,806.72/x - Step 3: Cross multiply
34,372,302.96x = 47,435,025.36 × 19,690,806.72 - Step 4: Simplify right side
34,372,302.96x = 934,033,916,122,058.38 - Step 5: Solve for x
x = 934,033,916,122,058.38/34,372,302.96 - Step 6: Final answer
x = 27,174,027.80
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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.