Finding the Fourth Proportional to 14,485,159.58, 19,989,850.82 and 7,958,375.19
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Solution
The fourth proportional to 14,485,159.58, 19,989,850.82 and 7,958,375.19 is: 10,982,739.40
Step by Step Solution
- Step 1: Write the proportion equation
14,485,159.58 : 19,989,850.82 = 7,958,375.19 : x - Step 2: Convert to fraction form
14,485,159.58/19,989,850.82 = 7,958,375.19/x - Step 3: Cross multiply
14,485,159.58x = 19,989,850.82 × 7,958,375.19 - Step 4: Simplify right side
14,485,159.58x = 159,086,732,777,897.31 - Step 5: Solve for x
x = 159,086,732,777,897.31/14,485,159.58 - Step 6: Final answer
x = 10,982,739.40
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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.