Finding the Fourth Proportional to 11,017,408.68, 15,202,816.68 and 6,370,490.49
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Solution
The fourth proportional to 11,017,408.68, 15,202,816.68 and 6,370,490.49 is: 8,790,578.79
Step by Step Solution
- Step 1: Write the proportion equation
11,017,408.68 : 15,202,816.68 = 6,370,490.49 : x - Step 2: Convert to fraction form
11,017,408.68/15,202,816.68 = 6,370,490.49/x - Step 3: Cross multiply
11,017,408.68x = 15,202,816.68 × 6,370,490.49 - Step 4: Simplify right side
11,017,408.68x = 96,849,399,081,153.38 - Step 5: Solve for x
x = 96,849,399,081,153.38/11,017,408.68 - Step 6: Final answer
x = 8,790,578.79
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1.5x scale
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.