Finding the Fourth Proportional to 18,402,109.01, 27,608,132.09 and 5,622,265.16
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Solution
The fourth proportional to 18,402,109.01, 27,608,132.09 and 5,622,265.16 is: 8,434,915.75
Step by Step Solution
- Step 1: Write the proportion equation
18,402,109.01 : 27,608,132.09 = 5,622,265.16 : x - Step 2: Convert to fraction form
18,402,109.01/27,608,132.09 = 5,622,265.16/x - Step 3: Cross multiply
18,402,109.01x = 27,608,132.09 × 5,622,265.16 - Step 4: Simplify right side
18,402,109.01x = 155,220,239,058,300 - Step 5: Solve for x
x = 155,220,239,058,300/18,402,109.01 - Step 6: Final answer
x = 8,434,915.75
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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.