Finding the Fourth Proportional to 7,643,638.26, 11,461,914.41 and 2,850,040.44
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Solution
The fourth proportional to 7,643,638.26, 11,461,914.41 and 2,850,040.44 is: 4,273,739.61
Step by Step Solution
- Step 1: Write the proportion equation
7,643,638.26 : 11,461,914.41 = 2,850,040.44 : x - Step 2: Convert to fraction form
7,643,638.26/11,461,914.41 = 2,850,040.44/x - Step 3: Cross multiply
7,643,638.26x = 11,461,914.41 × 2,850,040.44 - Step 4: Simplify right side
7,643,638.26x = 32,666,919,574,068.54 - Step 5: Solve for x
x = 32,666,919,574,068.54/7,643,638.26 - Step 6: Final answer
x = 4,273,739.61
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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.