Finding the Fourth Proportional to 19,634,134.11, 29,453,212.41 and 7,513,791.45
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Solution
The fourth proportional to 19,634,134.11, 29,453,212.41 and 7,513,791.45 is: 11,271,456.86
Step by Step Solution
- Step 1: Write the proportion equation
19,634,134.11 : 29,453,212.41 = 7,513,791.45 : x - Step 2: Convert to fraction form
19,634,134.11/29,453,212.41 = 7,513,791.45/x - Step 3: Cross multiply
19,634,134.11x = 29,453,212.41 × 7,513,791.45 - Step 4: Simplify right side
19,634,134.11x = 221,305,295,581,291.91 - Step 5: Solve for x
x = 221,305,295,581,291.91/19,634,134.11 - Step 6: Final answer
x = 11,271,456.86
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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.