Finding the Fourth Proportional to 19,952,709.96, 27,534,747.90 and 10,785,352.68
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Solution
The fourth proportional to 19,952,709.96, 27,534,747.90 and 10,785,352.68 is: 14,883,791.11
Step by Step Solution
- Step 1: Write the proportion equation
19,952,709.96 : 27,534,747.90 = 10,785,352.68 : x - Step 2: Convert to fraction form
19,952,709.96/27,534,747.90 = 10,785,352.68/x - Step 3: Cross multiply
19,952,709.96x = 27,534,747.90 × 10,785,352.68 - Step 4: Simplify right side
19,952,709.96x = 296,971,967,056,389.38 - Step 5: Solve for x
x = 296,971,967,056,389.38/19,952,709.96 - Step 6: Final answer
x = 14,883,791.11
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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.