Finding the Fourth Proportional to 7,992,625.68, 11,029,759.14 and 4,640,103.12
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Solution
The fourth proportional to 7,992,625.68, 11,029,759.14 and 4,640,103.12 is: 6,403,304.98
Step by Step Solution
- Step 1: Write the proportion equation
7,992,625.68 : 11,029,759.14 = 4,640,103.12 : x - Step 2: Convert to fraction form
7,992,625.68/11,029,759.14 = 4,640,103.12/x - Step 3: Cross multiply
7,992,625.68x = 11,029,759.14 × 4,640,103.12 - Step 4: Simplify right side
7,992,625.68x = 51,179,219,798,362.52 - Step 5: Solve for x
x = 51,179,219,798,362.52/7,992,625.68 - Step 6: Final answer
x = 6,403,304.98
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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.