Finding the Fourth Proportional to 11,578,362.71, 15,978,165.23 and 6,351,413.81
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Solution
The fourth proportional to 11,578,362.71, 15,978,165.23 and 6,351,413.81 is: 8,764,964.60
Step by Step Solution
- Step 1: Write the proportion equation
11,578,362.71 : 15,978,165.23 = 6,351,413.81 : x - Step 2: Convert to fraction form
11,578,362.71/15,978,165.23 = 6,351,413.81/x - Step 3: Cross multiply
11,578,362.71x = 15,978,165.23 × 6,351,413.81 - Step 4: Simplify right side
11,578,362.71x = 101,483,939,236,271.53 - Step 5: Solve for x
x = 101,483,939,236,271.53/11,578,362.71 - Step 6: Final answer
x = 8,764,964.60
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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.