Finding the Fourth Proportional to 13,392,957.33, 18,486,214.49 and 8,747,452.54
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Solution
The fourth proportional to 13,392,957.33, 18,486,214.49 and 8,747,452.54 is: 12,074,053.54
Step by Step Solution
- Step 1: Write the proportion equation
13,392,957.33 : 18,486,214.49 = 8,747,452.54 : x - Step 2: Convert to fraction form
13,392,957.33/18,486,214.49 = 8,747,452.54/x - Step 3: Cross multiply
13,392,957.33x = 18,486,214.49 × 8,747,452.54 - Step 4: Simplify right side
13,392,957.33x = 161,707,283,895,535.28 - Step 5: Solve for x
x = 161,707,283,895,535.28/13,392,957.33 - Step 6: Final answer
x = 12,074,053.54
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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.