Finding the Fourth Proportional to 7,391,232.88, 10,199,614.38 and 4,639,398.88
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Solution
The fourth proportional to 7,391,232.88, 10,199,614.38 and 4,639,398.88 is: 6,402,190.31
Step by Step Solution
- Step 1: Write the proportion equation
7,391,232.88 : 10,199,614.38 = 4,639,398.88 : x - Step 2: Convert to fraction form
7,391,232.88/10,199,614.38 = 4,639,398.88/x - Step 3: Cross multiply
7,391,232.88x = 10,199,614.38 × 4,639,398.88 - Step 4: Simplify right side
7,391,232.88x = 47,320,079,531,003.90 - Step 5: Solve for x
x = 47,320,079,531,003.90/7,391,232.88 - Step 6: Final answer
x = 6,402,190.31
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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.