Finding the Fourth Proportional to 19,903,757.90, 29,844,934.16 and 11,709,232.92
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Solution
The fourth proportional to 19,903,757.90, 29,844,934.16 and 11,709,232.92 is: 17,557,553.07
Step by Step Solution
- Step 1: Write the proportion equation
19,903,757.90 : 29,844,934.16 = 11,709,232.92 : x - Step 2: Convert to fraction form
19,903,757.90/29,844,934.16 = 11,709,232.92/x - Step 3: Cross multiply
19,903,757.90x = 29,844,934.16 × 11,709,232.92 - Step 4: Simplify right side
19,903,757.90x = 349,461,285,502,958.38 - Step 5: Solve for x
x = 349,461,285,502,958.38/19,903,757.90 - Step 6: Final answer
x = 17,557,553.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.