Finding the Fourth Proportional to 14,269,408.29, 19,691,837.47 and 7,743,037.75
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Solution
The fourth proportional to 14,269,408.29, 19,691,837.47 and 7,743,037.75 is: 10,685,421.41
Step by Step Solution
- Step 1: Write the proportion equation
14,269,408.29 : 19,691,837.47 = 7,743,037.75 : x - Step 2: Convert to fraction form
14,269,408.29/19,691,837.47 = 7,743,037.75/x - Step 3: Cross multiply
14,269,408.29x = 19,691,837.47 × 7,743,037.75 - Step 4: Simplify right side
14,269,408.29x = 152,474,640,868,915.72 - Step 5: Solve for x
x = 152,474,640,868,915.72/14,269,408.29 - Step 6: Final answer
x = 10,685,421.41
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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.