Finding the Fourth Proportional to 17,551,580.51, 26,330,175.60 and 5,418,191.99
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Solution
The fourth proportional to 17,551,580.51, 26,330,175.60 and 5,418,191.99 is: 8,128,153.84
Step by Step Solution
- Step 1: Write the proportion equation
17,551,580.51 : 26,330,175.60 = 5,418,191.99 : x - Step 2: Convert to fraction form
17,551,580.51/26,330,175.60 = 5,418,191.99/x - Step 3: Cross multiply
17,551,580.51x = 26,330,175.60 × 5,418,191.99 - Step 4: Simplify right side
17,551,580.51x = 142,661,946,576,720.66 - Step 5: Solve for x
x = 142,661,946,576,720.66/17,551,580.51 - Step 6: Final answer
x = 8,128,153.84
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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.