Finding the Fourth Proportional to 19,904,461.12, 27,467,272.74 and 11,084,367.34
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Solution
The fourth proportional to 19,904,461.12, 27,467,272.74 and 11,084,367.34 is: 15,295,934.87
Step by Step Solution
- Step 1: Write the proportion equation
19,904,461.12 : 27,467,272.74 = 11,084,367.34 : x - Step 2: Convert to fraction form
19,904,461.12/27,467,272.74 = 11,084,367.34/x - Step 3: Cross multiply
19,904,461.12x = 27,467,272.74 × 11,084,367.34 - Step 4: Simplify right side
19,904,461.12x = 304,457,340,878,128.31 - Step 5: Solve for x
x = 304,457,340,878,128.31/19,904,461.12 - Step 6: Final answer
x = 15,295,934.87
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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.