Finding the Fourth Proportional to 11,582,371.28, 15,983,666.16 and 6,355,413.75
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Solution
The fourth proportional to 11,582,371.28, 15,983,666.16 and 6,355,413.75 is: 8,770,467.57
Step by Step Solution
- Step 1: Write the proportion equation
11,582,371.28 : 15,983,666.16 = 6,355,413.75 : x - Step 2: Convert to fraction form
11,582,371.28/15,983,666.16 = 6,355,413.75/x - Step 3: Cross multiply
11,582,371.28x = 15,983,666.16 × 6,355,413.75 - Step 4: Simplify right side
11,582,371.28x = 101,582,811,688,673.70 - Step 5: Solve for x
x = 101,582,811,688,673.70/11,582,371.28 - Step 6: Final answer
x = 8,770,467.57
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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.