Finding the Fourth Proportional to 7,670,912.42, 11,498,279.87 and 2,551,975.07
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Solution
The fourth proportional to 7,670,912.42, 11,498,279.87 and 2,551,975.07 is: 3,825,271.61
Step by Step Solution
- Step 1: Write the proportion equation
7,670,912.42 : 11,498,279.87 = 2,551,975.07 : x - Step 2: Convert to fraction form
7,670,912.42/11,498,279.87 = 2,551,975.07/x - Step 3: Cross multiply
7,670,912.42x = 11,498,279.87 × 2,551,975.07 - Step 4: Simplify right side
7,670,912.42x = 29,343,323,525,011.38 - Step 5: Solve for x
x = 29,343,323,525,011.38/7,670,912.42 - Step 6: Final answer
x = 3,825,271.61
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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.