Finding the Fourth Proportional to 12,903,942.14, 17,806,762.41 and 7,101,614.87
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Solution
The fourth proportional to 12,903,942.14, 17,806,762.41 and 7,101,614.87 is: 9,799,855.53
Step by Step Solution
- Step 1: Write the proportion equation
12,903,942.14 : 17,806,762.41 = 7,101,614.87 : x - Step 2: Convert to fraction form
12,903,942.14/17,806,762.41 = 7,101,614.87/x - Step 3: Cross multiply
12,903,942.14x = 17,806,762.41 × 7,101,614.87 - Step 4: Simplify right side
12,903,942.14x = 126,456,768,717,413.05 - Step 5: Solve for x
x = 126,456,768,717,413.05/12,903,942.14 - Step 6: Final answer
x = 9,799,855.53
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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.