Finding the Fourth Proportional to 7,021,491.99, 10,515,211.97 and 4,856,440.83
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Solution
The fourth proportional to 7,021,491.99, 10,515,211.97 and 4,856,440.83 is: 7,272,885.14
Step by Step Solution
- Step 1: Write the proportion equation
7,021,491.99 : 10,515,211.97 = 4,856,440.83 : x - Step 2: Convert to fraction form
7,021,491.99/10,515,211.97 = 4,856,440.83/x - Step 3: Cross multiply
7,021,491.99x = 10,515,211.97 × 4,856,440.83 - Step 4: Simplify right side
7,021,491.99x = 51,066,504,722,930.53 - Step 5: Solve for x
x = 51,066,504,722,930.53/7,021,491.99 - Step 6: Final answer
x = 7,272,885.14
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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.