Finding the Fourth Proportional to 19,451,422.11, 29,177,133.17 and 7,481,358.75
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Solution
The fourth proportional to 19,451,422.11, 29,177,133.17 and 7,481,358.75 is: 11,222,038.13
Step by Step Solution
- Step 1: Write the proportion equation
19,451,422.11 : 29,177,133.17 = 7,481,358.75 : x - Step 2: Convert to fraction form
19,451,422.11/29,177,133.17 = 7,481,358.75/x - Step 3: Cross multiply
19,451,422.11x = 29,177,133.17 × 7,481,358.75 - Step 4: Simplify right side
19,451,422.11x = 218,284,600,503,887.94 - Step 5: Solve for x
x = 218,284,600,503,887.94/19,451,422.11 - Step 6: Final answer
x = 11,222,038.13
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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.