Finding the Fourth Proportional to 9,586,107.48, 13,228,918.44 and 5,455,936.14
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Solution
The fourth proportional to 9,586,107.48, 13,228,918.44 and 5,455,936.14 is: 7,529,243.16
Step by Step Solution
- Step 1: Write the proportion equation
9,586,107.48 : 13,228,918.44 = 5,455,936.14 : x - Step 2: Convert to fraction form
9,586,107.48/13,228,918.44 = 5,455,936.14/x - Step 3: Cross multiply
9,586,107.48x = 13,228,918.44 × 5,455,936.14 - Step 4: Simplify right side
9,586,107.48x = 72,176,134,209,908.42 - Step 5: Solve for x
x = 72,176,134,209,908.42/9,586,107.48 - Step 6: Final answer
x = 7,529,243.16
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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.