Finding the Fourth Proportional to 12,848,661.63, 17,735,122.80 and 8,264,982.87
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Solution
The fourth proportional to 12,848,661.63, 17,735,122.80 and 8,264,982.87 is: 11,408,229.93
Step by Step Solution
- Step 1: Write the proportion equation
12,848,661.63 : 17,735,122.80 = 8,264,982.87 : x - Step 2: Convert to fraction form
12,848,661.63/17,735,122.80 = 8,264,982.87/x - Step 3: Cross multiply
12,848,661.63x = 17,735,122.80 × 8,264,982.87 - Step 4: Simplify right side
12,848,661.63x = 146,580,486,139,346.44 - Step 5: Solve for x
x = 146,580,486,139,346.44/12,848,661.63 - Step 6: Final answer
x = 11,408,229.93
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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.