Finding the Fourth Proportional to 10,968,413.56, 15,136,305.50 and 6,320,491
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Solution
The fourth proportional to 10,968,413.56, 15,136,305.50 and 6,320,491 is: 8,722,216.95
Step by Step Solution
- Step 1: Write the proportion equation
10,968,413.56 : 15,136,305.50 = 6,320,491 : x - Step 2: Convert to fraction form
10,968,413.56/15,136,305.50 = 6,320,491/x - Step 3: Cross multiply
10,968,413.56x = 15,136,305.50 × 6,320,491 - Step 4: Simplify right side
10,968,413.56x = 95,668,882,686,000.50 - Step 5: Solve for x
x = 95,668,882,686,000.50/10,968,413.56 - Step 6: Final answer
x = 8,722,216.95
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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.