Finding the Fourth Proportional to 19,760,926.68, 27,269,491.86 and 10,940,770.26
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Solution
The fourth proportional to 19,760,926.68, 27,269,491.86 and 10,940,770.26 is: 15,097,937.99
Step by Step Solution
- Step 1: Write the proportion equation
19,760,926.68 : 27,269,491.86 = 10,940,770.26 : x - Step 2: Convert to fraction form
19,760,926.68/27,269,491.86 = 10,940,770.26/x - Step 3: Cross multiply
19,760,926.68x = 27,269,491.86 × 10,940,770.26 - Step 4: Simplify right side
19,760,926.68x = 298,349,245,547,200.06 - Step 5: Solve for x
x = 298,349,245,547,200.06/19,760,926.68 - Step 6: Final answer
x = 15,097,937.99
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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.