Finding the Fourth Proportional to 19,123,322.99, 26,382,694.61 and 11,768,387.13
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Solution
The fourth proportional to 19,123,322.99, 26,382,694.61 and 11,768,387.13 is: 16,235,764.25
Step by Step Solution
- Step 1: Write the proportion equation
19,123,322.99 : 26,382,694.61 = 11,768,387.13 : x - Step 2: Convert to fraction form
19,123,322.99/26,382,694.61 = 11,768,387.13/x - Step 3: Cross multiply
19,123,322.99x = 26,382,694.61 × 11,768,387.13 - Step 4: Simplify right side
19,123,322.99x = 310,481,763,732,465.38 - Step 5: Solve for x
x = 310,481,763,732,465.38/19,123,322.99 - Step 6: Final answer
x = 16,235,764.25
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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.