Finding the Fourth Proportional to 10,631,743.23, 14,670,859.37 and 5,921,778.17
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Solution
The fourth proportional to 10,631,743.23, 14,670,859.37 and 5,921,778.17 is: 8,171,526.80
Step by Step Solution
- Step 1: Write the proportion equation
10,631,743.23 : 14,670,859.37 = 5,921,778.17 : x - Step 2: Convert to fraction form
10,631,743.23/14,670,859.37 = 5,921,778.17/x - Step 3: Cross multiply
10,631,743.23x = 14,670,859.37 × 5,921,778.17 - Step 4: Simplify right side
10,631,743.23x = 86,877,574,792,790.14 - Step 5: Solve for x
x = 86,877,574,792,790.14/10,631,743.23 - Step 6: Final answer
x = 8,171,526.80
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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.