Finding the Fourth Proportional to 11,399,809.42, 15,731,429.76 and 6,504,942.94
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Solution
The fourth proportional to 11,399,809.42, 15,731,429.76 and 6,504,942.94 is: 8,976,645.94
Step by Step Solution
- Step 1: Write the proportion equation
11,399,809.42 : 15,731,429.76 = 6,504,942.94 : x - Step 2: Convert to fraction form
11,399,809.42/15,731,429.76 = 6,504,942.94/x - Step 3: Cross multiply
11,399,809.42x = 15,731,429.76 × 6,504,942.94 - Step 4: Simplify right side
11,399,809.42x = 102,332,052,953,417.91 - Step 5: Solve for x
x = 102,332,052,953,417.91/11,399,809.42 - Step 6: Final answer
x = 8,976,645.94
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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.