Finding the Fourth Proportional to 11,548,588.68, 15,936,801.30 and 6,391,640.52
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Solution
The fourth proportional to 11,548,588.68, 15,936,801.30 and 6,391,640.52 is: 8,820,324.96
Step by Step Solution
- Step 1: Write the proportion equation
11,548,588.68 : 15,936,801.30 = 6,391,640.52 : x - Step 2: Convert to fraction form
11,548,588.68/15,936,801.30 = 6,391,640.52/x - Step 3: Cross multiply
11,548,588.68x = 15,936,801.30 × 6,391,640.52 - Step 4: Simplify right side
11,548,588.68x = 101,862,304,948,268.67 - Step 5: Solve for x
x = 101,862,304,948,268.67/11,548,588.68 - Step 6: Final answer
x = 8,820,324.96
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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.