Finding the Fourth Proportional to 19,901,949.65, 27,465,821.00 and 11,956,922.08
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Solution
The fourth proportional to 19,901,949.65, 27,465,821.00 and 11,956,922.08 is: 16,501,231.65
Step by Step Solution
- Step 1: Write the proportion equation
19,901,949.65 : 27,465,821.00 = 11,956,922.08 : x - Step 2: Convert to fraction form
19,901,949.65/27,465,821.00 = 11,956,922.08/x - Step 3: Cross multiply
19,901,949.65x = 27,465,821.00 × 11,956,922.08 - Step 4: Simplify right side
19,901,949.65x = 328,406,681,476,617 - Step 5: Solve for x
x = 328,406,681,476,617/19,901,949.65 - Step 6: Final answer
x = 16,501,231.65
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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.