Finding the Fourth Proportional to 27,917,937, 41,876,920.80 and 12,761,239.68
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Solution
The fourth proportional to 27,917,937, 41,876,920.80 and 12,761,239.68 is: 19,141,866.51
Step by Step Solution
- Step 1: Write the proportion equation
27,917,937 : 41,876,920.80 = 12,761,239.68 : x - Step 2: Convert to fraction form
27,917,937/41,876,920.80 = 12,761,239.68/x - Step 3: Cross multiply
27,917,937x = 41,876,920.80 × 12,761,239.68 - Step 4: Simplify right side
27,917,937x = 534,401,423,389,177.31 - Step 5: Solve for x
x = 534,401,423,389,177.31/27,917,937 - Step 6: Final answer
x = 19,141,866.51
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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.