Finding the Fourth Proportional to 7,638,290.71, 10,541,118.36 and 4,375,735.99
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Solution
The fourth proportional to 7,638,290.71, 10,541,118.36 and 4,375,735.99 is: 6,038,674.45
Step by Step Solution
- Step 1: Write the proportion equation
7,638,290.71 : 10,541,118.36 = 4,375,735.99 : x - Step 2: Convert to fraction form
7,638,290.71/10,541,118.36 = 4,375,735.99/x - Step 3: Cross multiply
7,638,290.71x = 10,541,118.36 × 4,375,735.99 - Step 4: Simplify right side
7,638,290.71x = 46,125,150,982,701.77 - Step 5: Solve for x
x = 46,125,150,982,701.77/7,638,290.71 - Step 6: Final answer
x = 6,038,674.45
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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.