Finding the Fourth Proportional to 8,721,809.30, 13,081,683.60 and 2,332,556.84
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Solution
The fourth proportional to 8,721,809.30, 13,081,683.60 and 2,332,556.84 is: 3,498,559.70
Step by Step Solution
- Step 1: Write the proportion equation
8,721,809.30 : 13,081,683.60 = 2,332,556.84 : x - Step 2: Convert to fraction form
8,721,809.30/13,081,683.60 = 2,332,556.84/x - Step 3: Cross multiply
8,721,809.30x = 13,081,683.60 × 2,332,556.84 - Step 4: Simplify right side
8,721,809.30x = 30,513,770,559,895.82 - Step 5: Solve for x
x = 30,513,770,559,895.82/8,721,809.30 - Step 6: Final answer
x = 3,498,559.70
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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.