Finding the Fourth Proportional to 19,002,517.82, 26,206,542.66 and 14,817,240.13
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Solution
The fourth proportional to 19,002,517.82, 26,206,542.66 and 14,817,240.13 is: 20,434,588.68
Step by Step Solution
- Step 1: Write the proportion equation
19,002,517.82 : 26,206,542.66 = 14,817,240.13 : x - Step 2: Convert to fraction form
19,002,517.82/26,206,542.66 = 14,817,240.13/x - Step 3: Cross multiply
19,002,517.82x = 26,206,542.66 × 14,817,240.13 - Step 4: Simplify right side
19,002,517.82x = 388,308,635,570,309 - Step 5: Solve for x
x = 388,308,635,570,309/19,002,517.82 - Step 6: Final answer
x = 20,434,588.68
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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.