Finding the Fourth Proportional to 19,892,796.12, 29,839,094.19 and 17,188,894.08
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Solution
The fourth proportional to 19,892,796.12, 29,839,094.19 and 17,188,894.08 is: 25,783,254.72
Step by Step Solution
- Step 1: Write the proportion equation
19,892,796.12 : 29,839,094.19 = 17,188,894.08 : x - Step 2: Convert to fraction form
19,892,796.12/29,839,094.19 = 17,188,894.08/x - Step 3: Cross multiply
19,892,796.12x = 29,839,094.19 × 17,188,894.08 - Step 4: Simplify right side
19,892,796.12x = 512,901,029,475,053.38 - Step 5: Solve for x
x = 512,901,029,475,053.38/19,892,796.12 - Step 6: Final answer
x = 25,783,254.72
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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.