Finding the Fourth Proportional to 13,568,413.68, 20,344,650.12 and 5,481,645.84
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Solution
The fourth proportional to 13,568,413.68, 20,344,650.12 and 5,481,645.84 is: 8,219,248.71
Step by Step Solution
- Step 1: Write the proportion equation
13,568,413.68 : 20,344,650.12 = 5,481,645.84 : x - Step 2: Convert to fraction form
13,568,413.68/20,344,650.12 = 5,481,645.84/x - Step 3: Cross multiply
13,568,413.68x = 20,344,650.12 × 5,481,645.84 - Step 4: Simplify right side
13,568,413.68x = 111,522,166,696,553.50 - Step 5: Solve for x
x = 111,522,166,696,553.50/13,568,413.68 - Step 6: Final answer
x = 8,219,248.71
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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.