Finding the Fourth Proportional to 14,462,731.28, 19,958,514.36 and 7,936,469.84
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Solution
The fourth proportional to 14,462,731.28, 19,958,514.36 and 7,936,469.84 is: 10,952,298.30
Step by Step Solution
- Step 1: Write the proportion equation
14,462,731.28 : 19,958,514.36 = 7,936,469.84 : x - Step 2: Convert to fraction form
14,462,731.28/19,958,514.36 = 7,936,469.84/x - Step 3: Cross multiply
14,462,731.28x = 19,958,514.36 × 7,936,469.84 - Step 4: Simplify right side
14,462,731.28x = 158,400,147,269,346.91 - Step 5: Solve for x
x = 158,400,147,269,346.91/14,462,731.28 - Step 6: Final answer
x = 10,952,298.30
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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.