Finding the Fourth Proportional to 7,638,279.98, 10,541,103.53 and 4,375,725.26
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Solution
The fourth proportional to 7,638,279.98, 10,541,103.53 and 4,375,725.26 is: 6,038,659.63
Step by Step Solution
- Step 1: Write the proportion equation
7,638,279.98 : 10,541,103.53 = 4,375,725.26 : x - Step 2: Convert to fraction form
7,638,279.98/10,541,103.53 = 4,375,725.26/x - Step 3: Cross multiply
7,638,279.98x = 10,541,103.53 × 4,375,725.26 - Step 4: Simplify right side
7,638,279.98x = 46,124,972,909,912.02 - Step 5: Solve for x
x = 46,124,972,909,912.02/7,638,279.98 - Step 6: Final answer
x = 6,038,659.63
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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.