Finding the Fourth Proportional to 43,644,125.80, 65,466,188.70 and 26,638,013.80
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Solution
The fourth proportional to 43,644,125.80, 65,466,188.70 and 26,638,013.80 is: 39,957,020.70
Step by Step Solution
- Step 1: Write the proportion equation
43,644,125.80 : 65,466,188.70 = 26,638,013.80 : x - Step 2: Convert to fraction form
43,644,125.80/65,466,188.70 = 26,638,013.80/x - Step 3: Cross multiply
43,644,125.80x = 65,466,188.70 × 26,638,013.80 - Step 4: Simplify right side
43,644,125.80x = 1,743,889,238,024,004.25 - Step 5: Solve for x
x = 1,743,889,238,024,004.25/43,644,125.80 - Step 6: Final answer
x = 39,957,020.70
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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.