Finding the Fourth Proportional to 9,898,471.37, 13,660,425.87 and 5,548,954.84
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Solution
The fourth proportional to 9,898,471.37, 13,660,425.87 and 5,548,954.84 is: 7,657,857.80
Step by Step Solution
- Step 1: Write the proportion equation
9,898,471.37 : 13,660,425.87 = 5,548,954.84 : x - Step 2: Convert to fraction form
9,898,471.37/13,660,425.87 = 5,548,954.84/x - Step 3: Cross multiply
9,898,471.37x = 13,660,425.87 × 5,548,954.84 - Step 4: Simplify right side
9,898,471.37x = 75,801,086,213,646.64 - Step 5: Solve for x
x = 75,801,086,213,646.64/9,898,471.37 - Step 6: Final answer
x = 7,657,857.80
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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.